Home / 42,120,355.11-58,128,335.39-23,535,946.39

Finding the Fourth Proportional to 42,120,355.11, 58,128,335.39 and 23,535,946.39

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Solution

The fourth proportional to 42,120,355.11, 58,128,335.39 and 23,535,946.39 is: 32,480,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120,355.11 : 58,128,335.39 = 23,535,946.39 : x
  2. Step 2: Convert to fraction form
    42,120,355.11/58,128,335.39 = 23,535,946.39/x
  3. Step 3: Cross multiply
    42,120,355.11x = 58,128,335.39 × 23,535,946.39
  4. Step 4: Simplify right side
    42,120,355.11x = 1,368,105,385,478,979.75
  5. Step 5: Solve for x
    x = 1,368,105,385,478,979.75/42,120,355.11
  6. Step 6: Final answer
    x = 32,480,860.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.