Home / 231,122,897.76-318,948,429.44-125,275,886.72

Finding the Fourth Proportional to 231,122,897.76, 318,948,429.44 and 125,275,886.72

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Solution

The fourth proportional to 231,122,897.76, 318,948,429.44 and 125,275,886.72 is: 172,880,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,122,897.76 : 318,948,429.44 = 125,275,886.72 : x
  2. Step 2: Convert to fraction form
    231,122,897.76/318,948,429.44 = 125,275,886.72/x
  3. Step 3: Cross multiply
    231,122,897.76x = 318,948,429.44 × 125,275,886.72
  4. Step 4: Simplify right side
    231,122,897.76x = 39,956,547,316,047,352
  5. Step 5: Solve for x
    x = 39,956,547,316,047,352/231,122,897.76
  6. Step 6: Final answer
    x = 172,880,089.78

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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.