Home / 148,465,041.89-204,886,456.29-85,740,005.12

Finding the Fourth Proportional to 148,465,041.89, 204,886,456.29 and 85,740,005.12

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Solution

The fourth proportional to 148,465,041.89, 204,886,456.29 and 85,740,005.12 is: 118,323,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,465,041.89 : 204,886,456.29 = 85,740,005.12 : x
  2. Step 2: Convert to fraction form
    148,465,041.89/204,886,456.29 = 85,740,005.12/x
  3. Step 3: Cross multiply
    148,465,041.89x = 204,886,456.29 × 85,740,005.12
  4. Step 4: Simplify right side
    148,465,041.89x = 17,566,965,810,298,822
  5. Step 5: Solve for x
    x = 17,566,965,810,298,822/148,465,041.89
  6. Step 6: Final answer
    x = 118,323,920.48

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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.