Home / 124,764,393.60-187,159,096.80-42,872,486.40

Finding the Fourth Proportional to 124,764,393.60, 187,159,096.80 and 42,872,486.40

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Solution

The fourth proportional to 124,764,393.60, 187,159,096.80 and 42,872,486.40 is: 64,313,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,764,393.60 : 187,159,096.80 = 42,872,486.40 : x
  2. Step 2: Convert to fraction form
    124,764,393.60/187,159,096.80 = 42,872,486.40/x
  3. Step 3: Cross multiply
    124,764,393.60x = 187,159,096.80 × 42,872,486.40
  4. Step 4: Simplify right side
    124,764,393.60x = 8,023,975,832,194,284
  5. Step 5: Solve for x
    x = 8,023,975,832,194,284/124,764,393.60
  6. Step 6: Final answer
    x = 64,313,027.14

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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.