Home / 85,396,535.18-117,759,140.04-73,047,510.88

Finding the Fourth Proportional to 85,396,535.18, 117,759,140.04 and 73,047,510.88

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Solution

The fourth proportional to 85,396,535.18, 117,759,140.04 and 73,047,510.88 is: 100,730,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,396,535.18 : 117,759,140.04 = 73,047,510.88 : x
  2. Step 2: Convert to fraction form
    85,396,535.18/117,759,140.04 = 73,047,510.88/x
  3. Step 3: Cross multiply
    85,396,535.18x = 117,759,140.04 × 73,047,510.88
  4. Step 4: Simplify right side
    85,396,535.18x = 8,602,012,063,291,344
  5. Step 5: Solve for x
    x = 8,602,012,063,291,344/85,396,535.18
  6. Step 6: Final answer
    x = 100,730,223.37

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Why These Related Problems?

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