Home / 106,780,296.72-147,357,969.75-62,729,152.23

Finding the Fourth Proportional to 106,780,296.72, 147,357,969.75 and 62,729,152.23

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Solution

The fourth proportional to 106,780,296.72, 147,357,969.75 and 62,729,152.23 is: 86,566,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,780,296.72 : 147,357,969.75 = 62,729,152.23 : x
  2. Step 2: Convert to fraction form
    106,780,296.72/147,357,969.75 = 62,729,152.23/x
  3. Step 3: Cross multiply
    106,780,296.72x = 147,357,969.75 × 62,729,152.23
  4. Step 4: Simplify right side
    106,780,296.72x = 9,243,640,516,751,484
  5. Step 5: Solve for x
    x = 9,243,640,516,751,484/106,780,296.72
  6. Step 6: Final answer
    x = 86,566,911.69

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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.