Home / 124,338,074.74-171,517,660.30-87,223,613.10

Finding the Fourth Proportional to 124,338,074.74, 171,517,660.30 and 87,223,613.10

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Solution

The fourth proportional to 124,338,074.74, 171,517,660.30 and 87,223,613.10 is: 120,320,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,338,074.74 : 171,517,660.30 = 87,223,613.10 : x
  2. Step 2: Convert to fraction form
    124,338,074.74/171,517,660.30 = 87,223,613.10/x
  3. Step 3: Cross multiply
    124,338,074.74x = 171,517,660.30 × 87,223,613.10
  4. Step 4: Simplify right side
    124,338,074.74x = 14,960,390,041,824,430
  5. Step 5: Solve for x
    x = 14,960,390,041,824,430/124,338,074.74
  6. Step 6: Final answer
    x = 120,320,264.51

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1.5x scale

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.