Home / 82,558,863.76-113,931,304.86-45,389,776.46

Finding the Fourth Proportional to 82,558,863.76, 113,931,304.86 and 45,389,776.46

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Solution

The fourth proportional to 82,558,863.76, 113,931,304.86 and 45,389,776.46 is: 62,637,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,558,863.76 : 113,931,304.86 = 45,389,776.46 : x
  2. Step 2: Convert to fraction form
    82,558,863.76/113,931,304.86 = 45,389,776.46/x
  3. Step 3: Cross multiply
    82,558,863.76x = 113,931,304.86 × 45,389,776.46
  4. Step 4: Simplify right side
    82,558,863.76x = 5,171,316,459,391,512
  5. Step 5: Solve for x
    x = 5,171,316,459,391,512/82,558,863.76
  6. Step 6: Final answer
    x = 62,637,931.58

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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.