Home / 108,861,880.80-163,292,821.20-100,547,781.60

Finding the Fourth Proportional to 108,861,880.80, 163,292,821.20 and 100,547,781.60

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Solution

The fourth proportional to 108,861,880.80, 163,292,821.20 and 100,547,781.60 is: 150,821,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,861,880.80 : 163,292,821.20 = 100,547,781.60 : x
  2. Step 2: Convert to fraction form
    108,861,880.80/163,292,821.20 = 100,547,781.60/x
  3. Step 3: Cross multiply
    108,861,880.80x = 163,292,821.20 × 100,547,781.60
  4. Step 4: Simplify right side
    108,861,880.80x = 16,418,730,922,865,448
  5. Step 5: Solve for x
    x = 16,418,730,922,865,448/108,861,880.80
  6. Step 6: Final answer
    x = 150,821,672.40

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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.