Home / 138,773,085.44-191,506,670.08-76,897,431.04

Finding the Fourth Proportional to 138,773,085.44, 191,506,670.08 and 76,897,431.04

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Solution

The fourth proportional to 138,773,085.44, 191,506,670.08 and 76,897,431.04 is: 106,118,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,773,085.44 : 191,506,670.08 = 76,897,431.04 : x
  2. Step 2: Convert to fraction form
    138,773,085.44/191,506,670.08 = 76,897,431.04/x
  3. Step 3: Cross multiply
    138,773,085.44x = 191,506,670.08 × 76,897,431.04
  4. Step 4: Simplify right side
    138,773,085.44x = 14,726,370,956,176,834
  5. Step 5: Solve for x
    x = 14,726,370,956,176,834/138,773,085.44
  6. Step 6: Final answer
    x = 106,118,350.76

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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.