Home / 99,755,307.60-149,550,017.40-42,291,704.40

Finding the Fourth Proportional to 99,755,307.60, 149,550,017.40 and 42,291,704.40

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Solution

The fourth proportional to 99,755,307.60, 149,550,017.40 and 42,291,704.40 is: 63,402,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,755,307.60 : 149,550,017.40 = 42,291,704.40 : x
  2. Step 2: Convert to fraction form
    99,755,307.60/149,550,017.40 = 42,291,704.40/x
  3. Step 3: Cross multiply
    99,755,307.60x = 149,550,017.40 × 42,291,704.40
  4. Step 4: Simplify right side
    99,755,307.60x = 6,324,725,128,895,657
  5. Step 5: Solve for x
    x = 6,324,725,128,895,657/99,755,307.60
  6. Step 6: Final answer
    x = 63,402,392.12

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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.