Home / 127,532,390.28-175,989,037.42-71,020,051.48

Finding the Fourth Proportional to 127,532,390.28, 175,989,037.42 and 71,020,051.48

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Solution

The fourth proportional to 127,532,390.28, 175,989,037.42 and 71,020,051.48 is: 98,004,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,532,390.28 : 175,989,037.42 = 71,020,051.48 : x
  2. Step 2: Convert to fraction form
    127,532,390.28/175,989,037.42 = 71,020,051.48/x
  3. Step 3: Cross multiply
    127,532,390.28x = 175,989,037.42 × 71,020,051.48
  4. Step 4: Simplify right side
    127,532,390.28x = 12,498,750,497,888,022
  5. Step 5: Solve for x
    x = 12,498,750,497,888,022/127,532,390.28
  6. Step 6: Final answer
    x = 98,004,518.46

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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.