Home / 98,373,140.99-135,766,903.71-57,120,032.15

Finding the Fourth Proportional to 98,373,140.99, 135,766,903.71 and 57,120,032.15

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Solution

The fourth proportional to 98,373,140.99, 135,766,903.71 and 57,120,032.15 is: 78,832,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,373,140.99 : 135,766,903.71 = 57,120,032.15 : x
  2. Step 2: Convert to fraction form
    98,373,140.99/135,766,903.71 = 57,120,032.15/x
  3. Step 3: Cross multiply
    98,373,140.99x = 135,766,903.71 × 57,120,032.15
  4. Step 4: Simplify right side
    98,373,140.99x = 7,755,009,904,142,321
  5. Step 5: Solve for x
    x = 7,755,009,904,142,321/98,373,140.99
  6. Step 6: Final answer
    x = 78,832,594.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.