Home / 157,499,041.20-236,248,561.80-145,027,892.40

Finding the Fourth Proportional to 157,499,041.20, 236,248,561.80 and 145,027,892.40

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Solution

The fourth proportional to 157,499,041.20, 236,248,561.80 and 145,027,892.40 is: 217,541,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,499,041.20 : 236,248,561.80 = 145,027,892.40 : x
  2. Step 2: Convert to fraction form
    157,499,041.20/236,248,561.80 = 145,027,892.40/x
  3. Step 3: Cross multiply
    157,499,041.20x = 236,248,561.80 × 145,027,892.40
  4. Step 4: Simplify right side
    157,499,041.20x = 34,262,631,000,385,152
  5. Step 5: Solve for x
    x = 34,262,631,000,385,152/157,499,041.20
  6. Step 6: Final answer
    x = 217,541,838.60

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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.