Home / 157,465,377.40-236,198,066.10-99,786,314.20

Finding the Fourth Proportional to 157,465,377.40, 236,198,066.10 and 99,786,314.20

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Solution

The fourth proportional to 157,465,377.40, 236,198,066.10 and 99,786,314.20 is: 149,679,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,377.40 : 236,198,066.10 = 99,786,314.20 : x
  2. Step 2: Convert to fraction form
    157,465,377.40/236,198,066.10 = 99,786,314.20/x
  3. Step 3: Cross multiply
    157,465,377.40x = 236,198,066.10 × 99,786,314.20
  4. Step 4: Simplify right side
    157,465,377.40x = 23,569,334,437,286,968
  5. Step 5: Solve for x
    x = 23,569,334,437,286,968/157,465,377.40
  6. Step 6: Final answer
    x = 149,679,471.30

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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.