Home / 129,316,974.03-178,454,894.58-70,580,060.28

Finding the Fourth Proportional to 129,316,974.03, 178,454,894.58 and 70,580,060.28

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Solution

The fourth proportional to 129,316,974.03, 178,454,894.58 and 70,580,060.28 is: 97,399,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,316,974.03 : 178,454,894.58 = 70,580,060.28 : x
  2. Step 2: Convert to fraction form
    129,316,974.03/178,454,894.58 = 70,580,060.28/x
  3. Step 3: Cross multiply
    129,316,974.03x = 178,454,894.58 × 70,580,060.28
  4. Step 4: Simplify right side
    129,316,974.03x = 12,595,357,216,717,446
  5. Step 5: Solve for x
    x = 12,595,357,216,717,446/129,316,974.03
  6. Step 6: Final answer
    x = 97,399,102.56

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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.