Home / 66,730,647.40-99,969,999.90-34,272,068.20

Finding the Fourth Proportional to 66,730,647.40, 99,969,999.90 and 34,272,068.20

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Solution

The fourth proportional to 66,730,647.40, 99,969,999.90 and 34,272,068.20 is: 51,343,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,730,647.40 : 99,969,999.90 = 34,272,068.20 : x
  2. Step 2: Convert to fraction form
    66,730,647.40/99,969,999.90 = 34,272,068.20/x
  3. Step 3: Cross multiply
    66,730,647.40x = 99,969,999.90 × 34,272,068.20
  4. Step 4: Simplify right side
    66,730,647.40x = 3,426,178,654,526,793.50
  5. Step 5: Solve for x
    x = 3,426,178,654,526,793.50/66,730,647.40
  6. Step 6: Final answer
    x = 51,343,404.99

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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.