Home / 147,622,671.20-221,434,006.80-98,836,387.40

Finding the Fourth Proportional to 147,622,671.20, 221,434,006.80 and 98,836,387.40

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Solution

The fourth proportional to 147,622,671.20, 221,434,006.80 and 98,836,387.40 is: 148,254,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,671.20 : 221,434,006.80 = 98,836,387.40 : x
  2. Step 2: Convert to fraction form
    147,622,671.20/221,434,006.80 = 98,836,387.40/x
  3. Step 3: Cross multiply
    147,622,671.20x = 221,434,006.80 × 98,836,387.40
  4. Step 4: Simplify right side
    147,622,671.20x = 21,885,737,279,619,036
  5. Step 5: Solve for x
    x = 21,885,737,279,619,036/147,622,671.20
  6. Step 6: Final answer
    x = 148,254,581.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.