Home / 99,807,770.60-149,767,643.10-42,290,253.80

Finding the Fourth Proportional to 99,807,770.60, 149,767,643.10 and 42,290,253.80

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Solution

The fourth proportional to 99,807,770.60, 149,767,643.10 and 42,290,253.80 is: 63,459,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,807,770.60 : 149,767,643.10 = 42,290,253.80 : x
  2. Step 2: Convert to fraction form
    99,807,770.60/149,767,643.10 = 42,290,253.80/x
  3. Step 3: Cross multiply
    99,807,770.60x = 149,767,643.10 × 42,290,253.80
  4. Step 4: Simplify right side
    99,807,770.60x = 6,333,711,637,726,818
  5. Step 5: Solve for x
    x = 6,333,711,637,726,818/99,807,770.60
  6. Step 6: Final answer
    x = 63,459,103.43

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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.