Home / 42,778,072.40-64,138,769.40-23,618,008.40

Finding the Fourth Proportional to 42,778,072.40, 64,138,769.40 and 23,618,008.40

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Solution

The fourth proportional to 42,778,072.40, 64,138,769.40 and 23,618,008.40 is: 35,411,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,778,072.40 : 64,138,769.40 = 23,618,008.40 : x
  2. Step 2: Convert to fraction form
    42,778,072.40/64,138,769.40 = 23,618,008.40/x
  3. Step 3: Cross multiply
    42,778,072.40x = 64,138,769.40 × 23,618,008.40
  4. Step 4: Simplify right side
    42,778,072.40x = 1,514,829,994,454,862.75
  5. Step 5: Solve for x
    x = 1,514,829,994,454,862.75/42,778,072.40
  6. Step 6: Final answer
    x = 35,411,366.37

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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.