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Finding the Fourth Proportional to 354,966,220.80, 532,407,340.80 and 96,165,388.80

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Solution

The fourth proportional to 354,966,220.80, 532,407,340.80 and 96,165,388.80 is: 144,236,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,966,220.80 : 532,407,340.80 = 96,165,388.80 : x
  2. Step 2: Convert to fraction form
    354,966,220.80/532,407,340.80 = 96,165,388.80/x
  3. Step 3: Cross multiply
    354,966,220.80x = 532,407,340.80 × 96,165,388.80
  4. Step 4: Simplify right side
    354,966,220.80x = 51,199,158,928,006,104
  5. Step 5: Solve for x
    x = 51,199,158,928,006,104/354,966,220.80
  6. Step 6: Final answer
    x = 144,236,707.40

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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.