Home / 129,316,976.04-178,454,897.34-70,580,062.28

Finding the Fourth Proportional to 129,316,976.04, 178,454,897.34 and 70,580,062.28

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Solution

The fourth proportional to 129,316,976.04, 178,454,897.34 and 70,580,062.28 is: 97,399,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,316,976.04 : 178,454,897.34 = 70,580,062.28 : x
  2. Step 2: Convert to fraction form
    129,316,976.04/178,454,897.34 = 70,580,062.28/x
  3. Step 3: Cross multiply
    129,316,976.04x = 178,454,897.34 × 70,580,062.28
  4. Step 4: Simplify right side
    129,316,976.04x = 12,595,357,768,428,206
  5. Step 5: Solve for x
    x = 12,595,357,768,428,206/129,316,976.04
  6. Step 6: Final answer
    x = 97,399,105.32

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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.