Home / 157,230,357.40-235,845,536.10-99,551,294.20

Finding the Fourth Proportional to 157,230,357.40, 235,845,536.10 and 99,551,294.20

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Solution

The fourth proportional to 157,230,357.40, 235,845,536.10 and 99,551,294.20 is: 149,326,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,230,357.40 : 235,845,536.10 = 99,551,294.20 : x
  2. Step 2: Convert to fraction form
    157,230,357.40/235,845,536.10 = 99,551,294.20/x
  3. Step 3: Cross multiply
    157,230,357.40x = 235,845,536.10 × 99,551,294.20
  4. Step 4: Simplify right side
    157,230,357.40x = 23,478,728,350,047,820
  5. Step 5: Solve for x
    x = 23,478,728,350,047,820/157,230,357.40
  6. Step 6: Final answer
    x = 149,326,941.30

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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.