Home / 65,414,139.30-98,121,208.95-39,841,985.70

Finding the Fourth Proportional to 65,414,139.30, 98,121,208.95 and 39,841,985.70

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Solution

The fourth proportional to 65,414,139.30, 98,121,208.95 and 39,841,985.70 is: 59,762,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414,139.30 : 98,121,208.95 = 39,841,985.70 : x
  2. Step 2: Convert to fraction form
    65,414,139.30/98,121,208.95 = 39,841,985.70/x
  3. Step 3: Cross multiply
    65,414,139.30x = 98,121,208.95 × 39,841,985.70
  4. Step 4: Simplify right side
    65,414,139.30x = 3,909,343,803,852,612.50
  5. Step 5: Solve for x
    x = 3,909,343,803,852,612.50/65,414,139.30
  6. Step 6: Final answer
    x = 59,762,978.55

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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.