Home / 82,715,547.90-124,077,987.45-25,209,695.10

Finding the Fourth Proportional to 82,715,547.90, 124,077,987.45 and 25,209,695.10

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Solution

The fourth proportional to 82,715,547.90, 124,077,987.45 and 25,209,695.10 is: 37,815,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,715,547.90 : 124,077,987.45 = 25,209,695.10 : x
  2. Step 2: Convert to fraction form
    82,715,547.90/124,077,987.45 = 25,209,695.10/x
  3. Step 3: Cross multiply
    82,715,547.90x = 124,077,987.45 × 25,209,695.10
  4. Step 4: Simplify right side
    82,715,547.90x = 3,127,968,232,236,127
  5. Step 5: Solve for x
    x = 3,127,968,232,236,127/82,715,547.90
  6. Step 6: Final answer
    x = 37,815,964.61

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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.