Home / 74,390,911.92-102,660,686.10-40,901,805.96

Finding the Fourth Proportional to 74,390,911.92, 102,660,686.10 and 40,901,805.96

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Solution

The fourth proportional to 74,390,911.92, 102,660,686.10 and 40,901,805.96 is: 56,445,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,390,911.92 : 102,660,686.10 = 40,901,805.96 : x
  2. Step 2: Convert to fraction form
    74,390,911.92/102,660,686.10 = 40,901,805.96/x
  3. Step 3: Cross multiply
    74,390,911.92x = 102,660,686.10 × 40,901,805.96
  4. Step 4: Simplify right side
    74,390,911.92x = 4,199,007,462,582,669
  5. Step 5: Solve for x
    x = 4,199,007,462,582,669/74,390,911.92
  6. Step 6: Final answer
    x = 56,445,167.21

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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.