Home / 342,060,985.20-513,041,711.40-99,698,617.20

Finding the Fourth Proportional to 342,060,985.20, 513,041,711.40 and 99,698,617.20

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Solution

The fourth proportional to 342,060,985.20, 513,041,711.40 and 99,698,617.20 is: 149,533,420.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,060,985.20 : 513,041,711.40 = 99,698,617.20 : x
  2. Step 2: Convert to fraction form
    342,060,985.20/513,041,711.40 = 99,698,617.20/x
  3. Step 3: Cross multiply
    342,060,985.20x = 513,041,711.40 × 99,698,617.20
  4. Step 4: Simplify right side
    342,060,985.20x = 51,149,549,192,501,472
  5. Step 5: Solve for x
    x = 51,149,549,192,501,472/342,060,985.20
  6. Step 6: Final answer
    x = 149,533,420.66

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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.