Home / 72,547,934.25-100,111,614.28-39,952,886.25

Finding the Fourth Proportional to 72,547,934.25, 100,111,614.28 and 39,952,886.25

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Solution

The fourth proportional to 72,547,934.25, 100,111,614.28 and 39,952,886.25 is: 55,132,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,547,934.25 : 100,111,614.28 = 39,952,886.25 : x
  2. Step 2: Convert to fraction form
    72,547,934.25/100,111,614.28 = 39,952,886.25/x
  3. Step 3: Cross multiply
    72,547,934.25x = 100,111,614.28 × 39,952,886.25
  4. Step 4: Simplify right side
    72,547,934.25x = 3,999,747,937,532,833.50
  5. Step 5: Solve for x
    x = 3,999,747,937,532,833.50/72,547,934.25
  6. Step 6: Final answer
    x = 55,132,485.56

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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.