Home / 151,705,154.68-209,354,080.08-88,968,461.20

Finding the Fourth Proportional to 151,705,154.68, 209,354,080.08 and 88,968,461.20

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Solution

The fourth proportional to 151,705,154.68, 209,354,080.08 and 88,968,461.20 is: 122,777,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,705,154.68 : 209,354,080.08 = 88,968,461.20 : x
  2. Step 2: Convert to fraction form
    151,705,154.68/209,354,080.08 = 88,968,461.20/x
  3. Step 3: Cross multiply
    151,705,154.68x = 209,354,080.08 × 88,968,461.20
  4. Step 4: Simplify right side
    151,705,154.68x = 18,625,910,350,659,176
  5. Step 5: Solve for x
    x = 18,625,910,350,659,176/151,705,154.68
  6. Step 6: Final answer
    x = 122,777,043.34

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1.5x scale

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.