Home / 74,390,876.61-102,660,637.53-40,901,770.71

Finding the Fourth Proportional to 74,390,876.61, 102,660,637.53 and 40,901,770.71

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Solution

The fourth proportional to 74,390,876.61, 102,660,637.53 and 40,901,770.71 is: 56,445,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,390,876.61 : 102,660,637.53 = 40,901,770.71 : x
  2. Step 2: Convert to fraction form
    74,390,876.61/102,660,637.53 = 40,901,770.71/x
  3. Step 3: Cross multiply
    74,390,876.61x = 102,660,637.53 × 40,901,770.71
  4. Step 4: Simplify right side
    74,390,876.61x = 4,199,001,857,194,481
  5. Step 5: Solve for x
    x = 4,199,001,857,194,481/74,390,876.61
  6. Step 6: Final answer
    x = 56,445,118.66

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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.