Home / 103,513,642.20-155,138,587.20-55,014,730.20

Finding the Fourth Proportional to 103,513,642.20, 155,138,587.20 and 55,014,730.20

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Solution

The fourth proportional to 103,513,642.20, 155,138,587.20 and 55,014,730.20 is: 82,452,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,513,642.20 : 155,138,587.20 = 55,014,730.20 : x
  2. Step 2: Convert to fraction form
    103,513,642.20/155,138,587.20 = 55,014,730.20/x
  3. Step 3: Cross multiply
    103,513,642.20x = 155,138,587.20 × 55,014,730.20
  4. Step 4: Simplify right side
    103,513,642.20x = 8,534,907,518,417,173
  5. Step 5: Solve for x
    x = 8,534,907,518,417,173/103,513,642.20
  6. Step 6: Final answer
    x = 82,452,006.68

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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.