Home / 127,872,040.90-191,808,061.35-116,156,719.30

Finding the Fourth Proportional to 127,872,040.90, 191,808,061.35 and 116,156,719.30

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Solution

The fourth proportional to 127,872,040.90, 191,808,061.35 and 116,156,719.30 is: 174,235,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,040.90 : 191,808,061.35 = 116,156,719.30 : x
  2. Step 2: Convert to fraction form
    127,872,040.90/191,808,061.35 = 116,156,719.30/x
  3. Step 3: Cross multiply
    127,872,040.90x = 191,808,061.35 × 116,156,719.30
  4. Step 4: Simplify right side
    127,872,040.90x = 22,279,795,141,709,128
  5. Step 5: Solve for x
    x = 22,279,795,141,709,128/127,872,040.90
  6. Step 6: Final answer
    x = 174,235,078.95

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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.