Home / 93,312,057.60-139,968,086.40-86,509,612.80

Finding the Fourth Proportional to 93,312,057.60, 139,968,086.40 and 86,509,612.80

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Solution

The fourth proportional to 93,312,057.60, 139,968,086.40 and 86,509,612.80 is: 129,764,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,057.60 : 139,968,086.40 = 86,509,612.80 : x
  2. Step 2: Convert to fraction form
    93,312,057.60/139,968,086.40 = 86,509,612.80/x
  3. Step 3: Cross multiply
    93,312,057.60x = 139,968,086.40 × 86,509,612.80
  4. Step 4: Simplify right side
    93,312,057.60x = 12,108,584,958,820,946
  5. Step 5: Solve for x
    x = 12,108,584,958,820,946/93,312,057.60
  6. Step 6: Final answer
    x = 129,764,419.20

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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.