Home / 99,815,999.60-149,779,986.60-42,298,482.80

Finding the Fourth Proportional to 99,815,999.60, 149,779,986.60 and 42,298,482.80

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Solution

The fourth proportional to 99,815,999.60, 149,779,986.60 and 42,298,482.80 is: 63,471,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,815,999.60 : 149,779,986.60 = 42,298,482.80 : x
  2. Step 2: Convert to fraction form
    99,815,999.60/149,779,986.60 = 42,298,482.80/x
  3. Step 3: Cross multiply
    99,815,999.60x = 149,779,986.60 × 42,298,482.80
  4. Step 4: Simplify right side
    99,815,999.60x = 6,335,466,186,984,330
  5. Step 5: Solve for x
    x = 6,335,466,186,984,330/99,815,999.60
  6. Step 6: Final answer
    x = 63,471,449.59

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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.