Home / 127,532,391.28-175,989,038.80-71,020,052.48

Finding the Fourth Proportional to 127,532,391.28, 175,989,038.80 and 71,020,052.48

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Solution

The fourth proportional to 127,532,391.28, 175,989,038.80 and 71,020,052.48 is: 98,004,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,532,391.28 : 175,989,038.80 = 71,020,052.48 : x
  2. Step 2: Convert to fraction form
    127,532,391.28/175,989,038.80 = 71,020,052.48/x
  3. Step 3: Cross multiply
    127,532,391.28x = 175,989,038.80 × 71,020,052.48
  4. Step 4: Simplify right side
    127,532,391.28x = 12,498,750,771,480,758
  5. Step 5: Solve for x
    x = 12,498,750,771,480,758/127,532,391.28
  6. Step 6: Final answer
    x = 98,004,519.84

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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.