Home / 126,867,318.39-175,068,088.84-70,354,979.49

Finding the Fourth Proportional to 126,867,318.39, 175,068,088.84 and 70,354,979.49

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Solution

The fourth proportional to 126,867,318.39, 175,068,088.84 and 70,354,979.49 is: 97,084,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,867,318.39 : 175,068,088.84 = 70,354,979.49 : x
  2. Step 2: Convert to fraction form
    126,867,318.39/175,068,088.84 = 70,354,979.49/x
  3. Step 3: Cross multiply
    126,867,318.39x = 175,068,088.84 × 70,354,979.49
  4. Step 4: Simplify right side
    126,867,318.39x = 12,316,911,799,057,070
  5. Step 5: Solve for x
    x = 12,316,911,799,057,070/126,867,318.39
  6. Step 6: Final answer
    x = 97,084,985.75

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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.