Home / 72,813,829.16-100,483,426.44-39,774,535.88

Finding the Fourth Proportional to 72,813,829.16, 100,483,426.44 and 39,774,535.88

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Solution

The fourth proportional to 72,813,829.16, 100,483,426.44 and 39,774,535.88 is: 54,889,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,813,829.16 : 100,483,426.44 = 39,774,535.88 : x
  2. Step 2: Convert to fraction form
    72,813,829.16/100,483,426.44 = 39,774,535.88/x
  3. Step 3: Cross multiply
    72,813,829.16x = 100,483,426.44 × 39,774,535.88
  4. Step 4: Simplify right side
    72,813,829.16x = 3,996,681,650,283,121
  5. Step 5: Solve for x
    x = 3,996,681,650,283,121/72,813,829.16
  6. Step 6: Final answer
    x = 54,889,046.44

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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.