Home / 56,320,547.52-77,722,387.20-30,566,435.52

Finding the Fourth Proportional to 56,320,547.52, 77,722,387.20 and 30,566,435.52

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Solution

The fourth proportional to 56,320,547.52, 77,722,387.20 and 30,566,435.52 is: 42,181,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,320,547.52 : 77,722,387.20 = 30,566,435.52 : x
  2. Step 2: Convert to fraction form
    56,320,547.52/77,722,387.20 = 30,566,435.52/x
  3. Step 3: Cross multiply
    56,320,547.52x = 77,722,387.20 × 30,566,435.52
  4. Step 4: Simplify right side
    56,320,547.52x = 2,375,696,336,809,273.50
  5. Step 5: Solve for x
    x = 2,375,696,336,809,273.50/56,320,547.52
  6. Step 6: Final answer
    x = 42,181,698.18

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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.