Home / 79,841,151.80-119,761,727.70-54,331,983.80

Finding the Fourth Proportional to 79,841,151.80, 119,761,727.70 and 54,331,983.80

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Solution

The fourth proportional to 79,841,151.80, 119,761,727.70 and 54,331,983.80 is: 81,497,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841,151.80 : 119,761,727.70 = 54,331,983.80 : x
  2. Step 2: Convert to fraction form
    79,841,151.80/119,761,727.70 = 54,331,983.80/x
  3. Step 3: Cross multiply
    79,841,151.80x = 119,761,727.70 × 54,331,983.80
  4. Step 4: Simplify right side
    79,841,151.80x = 6,506,892,249,256,411
  5. Step 5: Solve for x
    x = 6,506,892,249,256,411/79,841,151.80
  6. Step 6: Final answer
    x = 81,497,975.70

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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.