Home / 53,645,987.04-74,029,404.72-30,439,730.16

Finding the Fourth Proportional to 53,645,987.04, 74,029,404.72 and 30,439,730.16

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Solution

The fourth proportional to 53,645,987.04, 74,029,404.72 and 30,439,730.16 is: 42,005,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,645,987.04 : 74,029,404.72 = 30,439,730.16 : x
  2. Step 2: Convert to fraction form
    53,645,987.04/74,029,404.72 = 30,439,730.16/x
  3. Step 3: Cross multiply
    53,645,987.04x = 74,029,404.72 × 30,439,730.16
  4. Step 4: Simplify right side
    53,645,987.04x = 2,253,435,103,582,230.50
  5. Step 5: Solve for x
    x = 2,253,435,103,582,230.50/53,645,987.04
  6. Step 6: Final answer
    x = 42,005,660.22

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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.