Home / 108,918,124.20-163,377,186.30-39,830,794.20

Finding the Fourth Proportional to 108,918,124.20, 163,377,186.30 and 39,830,794.20

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Solution

The fourth proportional to 108,918,124.20, 163,377,186.30 and 39,830,794.20 is: 59,746,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,124.20 : 163,377,186.30 = 39,830,794.20 : x
  2. Step 2: Convert to fraction form
    108,918,124.20/163,377,186.30 = 39,830,794.20/x
  3. Step 3: Cross multiply
    108,918,124.20x = 163,377,186.30 × 39,830,794.20
  4. Step 4: Simplify right side
    108,918,124.20x = 6,507,443,084,490,360
  5. Step 5: Solve for x
    x = 6,507,443,084,490,360/108,918,124.20
  6. Step 6: Final answer
    x = 59,746,191.30

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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.