Home / 61,820,387.80-92,730,581.70-54,262,115.80

Finding the Fourth Proportional to 61,820,387.80, 92,730,581.70 and 54,262,115.80

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Solution

The fourth proportional to 61,820,387.80, 92,730,581.70 and 54,262,115.80 is: 81,393,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,820,387.80 : 92,730,581.70 = 54,262,115.80 : x
  2. Step 2: Convert to fraction form
    61,820,387.80/92,730,581.70 = 54,262,115.80/x
  3. Step 3: Cross multiply
    61,820,387.80x = 92,730,581.70 × 54,262,115.80
  4. Step 4: Simplify right side
    61,820,387.80x = 5,031,757,562,406,761
  5. Step 5: Solve for x
    x = 5,031,757,562,406,761/61,820,387.80
  6. Step 6: Final answer
    x = 81,393,173.70

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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.