Home / 130,065,258.68-179,473,560.16-71,312,463.28

Finding the Fourth Proportional to 130,065,258.68, 179,473,560.16 and 71,312,463.28

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Solution

The fourth proportional to 130,065,258.68, 179,473,560.16 and 71,312,463.28 is: 98,402,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,065,258.68 : 179,473,560.16 = 71,312,463.28 : x
  2. Step 2: Convert to fraction form
    130,065,258.68/179,473,560.16 = 71,312,463.28/x
  3. Step 3: Cross multiply
    130,065,258.68x = 179,473,560.16 × 71,312,463.28
  4. Step 4: Simplify right side
    130,065,258.68x = 12,798,701,668,640,870
  5. Step 5: Solve for x
    x = 12,798,701,668,640,870/130,065,258.68
  6. Step 6: Final answer
    x = 98,402,154.41

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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.