Home / 92,538,828.54-137,980,921.12-89,996,381.58

Finding the Fourth Proportional to 92,538,828.54, 137,980,921.12 and 89,996,381.58

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Solution

The fourth proportional to 92,538,828.54, 137,980,921.12 and 89,996,381.58 is: 134,189,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,538,828.54 : 137,980,921.12 = 89,996,381.58 : x
  2. Step 2: Convert to fraction form
    92,538,828.54/137,980,921.12 = 89,996,381.58/x
  3. Step 3: Cross multiply
    92,538,828.54x = 137,980,921.12 × 89,996,381.58
  4. Step 4: Simplify right side
    92,538,828.54x = 12,417,783,627,875,402
  5. Step 5: Solve for x
    x = 12,417,783,627,875,402/92,538,828.54
  6. Step 6: Final answer
    x = 134,189,980.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.