Home / 77,044,152.47-115,564,609.59-18,752,155.68

Finding the Fourth Proportional to 77,044,152.47, 115,564,609.59 and 18,752,155.68

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Solution

The fourth proportional to 77,044,152.47, 115,564,609.59 and 18,752,155.68 is: 28,127,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,044,152.47 : 115,564,609.59 = 18,752,155.68 : x
  2. Step 2: Convert to fraction form
    77,044,152.47/115,564,609.59 = 18,752,155.68/x
  3. Step 3: Cross multiply
    77,044,152.47x = 115,564,609.59 × 18,752,155.68
  4. Step 4: Simplify right side
    77,044,152.47x = 2,167,085,550,130,101
  5. Step 5: Solve for x
    x = 2,167,085,550,130,101/77,044,152.47
  6. Step 6: Final answer
    x = 28,127,839.44

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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.