Home / 74,902,700.20-112,438,031.10-57,938,578.60

Finding the Fourth Proportional to 74,902,700.20, 112,438,031.10 and 57,938,578.60

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Solution

The fourth proportional to 74,902,700.20, 112,438,031.10 and 57,938,578.60 is: 86,972,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,700.20 : 112,438,031.10 = 57,938,578.60 : x
  2. Step 2: Convert to fraction form
    74,902,700.20/112,438,031.10 = 57,938,578.60/x
  3. Step 3: Cross multiply
    74,902,700.20x = 112,438,031.10 × 57,938,578.60
  4. Step 4: Simplify right side
    74,902,700.20x = 6,514,499,702,516,594
  5. Step 5: Solve for x
    x = 6,514,499,702,516,594/74,902,700.20
  6. Step 6: Final answer
    x = 86,972,828.55

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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.