Home / 93,312,108.80-139,968,163.20-42,293,772.80

Finding the Fourth Proportional to 93,312,108.80, 139,968,163.20 and 42,293,772.80

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Solution

The fourth proportional to 93,312,108.80, 139,968,163.20 and 42,293,772.80 is: 63,440,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,108.80 : 139,968,163.20 = 42,293,772.80 : x
  2. Step 2: Convert to fraction form
    93,312,108.80/139,968,163.20 = 42,293,772.80/x
  3. Step 3: Cross multiply
    93,312,108.80x = 139,968,163.20 × 42,293,772.80
  4. Step 4: Simplify right side
    93,312,108.80x = 5,919,781,693,614,120
  5. Step 5: Solve for x
    x = 5,919,781,693,614,120/93,312,108.80
  6. Step 6: Final answer
    x = 63,440,659.20

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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.