Home / 74,666,885.20-111,911,854.20-31,536,005.20

Finding the Fourth Proportional to 74,666,885.20, 111,911,854.20 and 31,536,005.20

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Solution

The fourth proportional to 74,666,885.20, 111,911,854.20 and 31,536,005.20 is: 47,266,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666,885.20 : 111,911,854.20 = 31,536,005.20 : x
  2. Step 2: Convert to fraction form
    74,666,885.20/111,911,854.20 = 31,536,005.20/x
  3. Step 3: Cross multiply
    74,666,885.20x = 111,911,854.20 × 31,536,005.20
  4. Step 4: Simplify right side
    74,666,885.20x = 3,529,252,815,992,842
  5. Step 5: Solve for x
    x = 3,529,252,815,992,842/74,666,885.20
  6. Step 6: Final answer
    x = 47,266,640.45

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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.