Home / 106,780,299.72-147,357,973.92-62,729,155.26

Finding the Fourth Proportional to 106,780,299.72, 147,357,973.92 and 62,729,155.26

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Solution

The fourth proportional to 106,780,299.72, 147,357,973.92 and 62,729,155.26 is: 86,566,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,780,299.72 : 147,357,973.92 = 62,729,155.26 : x
  2. Step 2: Convert to fraction form
    106,780,299.72/147,357,973.92 = 62,729,155.26/x
  3. Step 3: Cross multiply
    106,780,299.72x = 147,357,973.92 × 62,729,155.26
  4. Step 4: Simplify right side
    106,780,299.72x = 9,243,641,224,826,710
  5. Step 5: Solve for x
    x = 9,243,641,224,826,710/106,780,299.72
  6. Step 6: Final answer
    x = 86,566,915.89

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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.