Home / 65,855,853.11-90,881,808.40-36,487,648.28

Finding the Fourth Proportional to 65,855,853.11, 90,881,808.40 and 36,487,648.28

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Solution

The fourth proportional to 65,855,853.11, 90,881,808.40 and 36,487,648.28 is: 50,353,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,855,853.11 : 90,881,808.40 = 36,487,648.28 : x
  2. Step 2: Convert to fraction form
    65,855,853.11/90,881,808.40 = 36,487,648.28/x
  3. Step 3: Cross multiply
    65,855,853.11x = 90,881,808.40 × 36,487,648.28
  4. Step 4: Simplify right side
    65,855,853.11x = 3,316,063,459,949,550
  5. Step 5: Solve for x
    x = 3,316,063,459,949,550/65,855,853.11
  6. Step 6: Final answer
    x = 50,353,359.70

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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.