Home / 93,312,090.70-139,968,136.05-80,323,060.30

Finding the Fourth Proportional to 93,312,090.70, 139,968,136.05 and 80,323,060.30

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Solution

The fourth proportional to 93,312,090.70, 139,968,136.05 and 80,323,060.30 is: 120,484,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,090.70 : 139,968,136.05 = 80,323,060.30 : x
  2. Step 2: Convert to fraction form
    93,312,090.70/139,968,136.05 = 80,323,060.30/x
  3. Step 3: Cross multiply
    93,312,090.70x = 139,968,136.05 × 80,323,060.30
  4. Step 4: Simplify right side
    93,312,090.70x = 11,242,669,032,022,754
  5. Step 5: Solve for x
    x = 11,242,669,032,022,754/93,312,090.70
  6. Step 6: Final answer
    x = 120,484,590.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.