Home / 99,807,773.60-149,767,647.60-42,290,256.80

Finding the Fourth Proportional to 99,807,773.60, 149,767,647.60 and 42,290,256.80

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Solution

The fourth proportional to 99,807,773.60, 149,767,647.60 and 42,290,256.80 is: 63,459,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,807,773.60 : 149,767,647.60 = 42,290,256.80 : x
  2. Step 2: Convert to fraction form
    99,807,773.60/149,767,647.60 = 42,290,256.80/x
  3. Step 3: Cross multiply
    99,807,773.60x = 149,767,647.60 × 42,290,256.80
  4. Step 4: Simplify right side
    99,807,773.60x = 6,333,712,277,335,903
  5. Step 5: Solve for x
    x = 6,333,712,277,335,903/99,807,773.60
  6. Step 6: Final answer
    x = 63,459,107.93

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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.