Home / 117,365,280.30-176,047,920.45-74,283,129.90

Finding the Fourth Proportional to 117,365,280.30, 176,047,920.45 and 74,283,129.90

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Solution

The fourth proportional to 117,365,280.30, 176,047,920.45 and 74,283,129.90 is: 111,424,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,365,280.30 : 176,047,920.45 = 74,283,129.90 : x
  2. Step 2: Convert to fraction form
    117,365,280.30/176,047,920.45 = 74,283,129.90/x
  3. Step 3: Cross multiply
    117,365,280.30x = 176,047,920.45 × 74,283,129.90
  4. Step 4: Simplify right side
    117,365,280.30x = 13,077,390,543,412,216
  5. Step 5: Solve for x
    x = 13,077,390,543,412,216/117,365,280.30
  6. Step 6: Final answer
    x = 111,424,694.85

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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.