Home / 54,216,721.04-81,326,053.56-19,697,637.92

Finding the Fourth Proportional to 54,216,721.04, 81,326,053.56 and 19,697,637.92

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Solution

The fourth proportional to 54,216,721.04, 81,326,053.56 and 19,697,637.92 is: 29,546,810.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,216,721.04 : 81,326,053.56 = 19,697,637.92 : x
  2. Step 2: Convert to fraction form
    54,216,721.04/81,326,053.56 = 19,697,637.92/x
  3. Step 3: Cross multiply
    54,216,721.04x = 81,326,053.56 × 19,697,637.92
  4. Step 4: Simplify right side
    54,216,721.04x = 1,601,931,156,487,407.25
  5. Step 5: Solve for x
    x = 1,601,931,156,487,407.25/54,216,721.04
  6. Step 6: Final answer
    x = 29,546,810.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.