Home / 82,911,317.40-124,366,976.10-39,758,308.20

Finding the Fourth Proportional to 82,911,317.40, 124,366,976.10 and 39,758,308.20

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Solution

The fourth proportional to 82,911,317.40, 124,366,976.10 and 39,758,308.20 is: 59,637,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,911,317.40 : 124,366,976.10 = 39,758,308.20 : x
  2. Step 2: Convert to fraction form
    82,911,317.40/124,366,976.10 = 39,758,308.20/x
  3. Step 3: Cross multiply
    82,911,317.40x = 124,366,976.10 × 39,758,308.20
  4. Step 4: Simplify right side
    82,911,317.40x = 4,944,620,565,685,834
  5. Step 5: Solve for x
    x = 4,944,620,565,685,834/82,911,317.40
  6. Step 6: Final answer
    x = 59,637,462.30

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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.