Home / 85,248,261.40-127,888,980.90-36,726,021.40

Finding the Fourth Proportional to 85,248,261.40, 127,888,980.90 and 36,726,021.40

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Solution

The fourth proportional to 85,248,261.40, 127,888,980.90 and 36,726,021.40 is: 55,096,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248,261.40 : 127,888,980.90 = 36,726,021.40 : x
  2. Step 2: Convert to fraction form
    85,248,261.40/127,888,980.90 = 36,726,021.40/x
  3. Step 3: Cross multiply
    85,248,261.40x = 127,888,980.90 × 36,726,021.40
  4. Step 4: Simplify right side
    85,248,261.40x = 4,696,853,449,357,591
  5. Step 5: Solve for x
    x = 4,696,853,449,357,591/85,248,261.40
  6. Step 6: Final answer
    x = 55,096,178.76

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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.