Home / 402,841,809.10-604,262,713.65-130,408,093.90

Finding the Fourth Proportional to 402,841,809.10, 604,262,713.65 and 130,408,093.90

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Solution

The fourth proportional to 402,841,809.10, 604,262,713.65 and 130,408,093.90 is: 195,612,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,841,809.10 : 604,262,713.65 = 130,408,093.90 : x
  2. Step 2: Convert to fraction form
    402,841,809.10/604,262,713.65 = 130,408,093.90/x
  3. Step 3: Cross multiply
    402,841,809.10x = 604,262,713.65 × 130,408,093.90
  4. Step 4: Simplify right side
    402,841,809.10x = 78,800,748,701,938,016
  5. Step 5: Solve for x
    x = 78,800,748,701,938,016/402,841,809.10
  6. Step 6: Final answer
    x = 195,612,140.85

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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.