Home / 127,156,211.31-175,464,798.11-76,939,133.33

Finding the Fourth Proportional to 127,156,211.31, 175,464,798.11 and 76,939,133.33

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Solution

The fourth proportional to 127,156,211.31, 175,464,798.11 and 76,939,133.33 is: 106,169,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,156,211.31 : 175,464,798.11 = 76,939,133.33 : x
  2. Step 2: Convert to fraction form
    127,156,211.31/175,464,798.11 = 76,939,133.33/x
  3. Step 3: Cross multiply
    127,156,211.31x = 175,464,798.11 × 76,939,133.33
  4. Step 4: Simplify right side
    127,156,211.31x = 13,500,109,496,506,822
  5. Step 5: Solve for x
    x = 13,500,109,496,506,822/127,156,211.31
  6. Step 6: Final answer
    x = 106,169,485.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.