Home / 66,072,000.80-99,108,001.20-61,820,472.80

Finding the Fourth Proportional to 66,072,000.80, 99,108,001.20 and 61,820,472.80

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Solution

The fourth proportional to 66,072,000.80, 99,108,001.20 and 61,820,472.80 is: 92,730,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,072,000.80 : 99,108,001.20 = 61,820,472.80 : x
  2. Step 2: Convert to fraction form
    66,072,000.80/99,108,001.20 = 61,820,472.80/x
  3. Step 3: Cross multiply
    66,072,000.80x = 99,108,001.20 × 61,820,472.80
  4. Step 4: Simplify right side
    66,072,000.80x = 6,126,903,492,446,967
  5. Step 5: Solve for x
    x = 6,126,903,492,446,967/66,072,000.80
  6. Step 6: Final answer
    x = 92,730,709.20

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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.