Home / 71,302,248-98,398,298.88-38,707,200

Finding the Fourth Proportional to 71,302,248, 98,398,298.88 and 38,707,200

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Solution

The fourth proportional to 71,302,248, 98,398,298.88 and 38,707,200 is: 53,416,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,302,248 : 98,398,298.88 = 38,707,200 : x
  2. Step 2: Convert to fraction form
    71,302,248/98,398,298.88 = 38,707,200/x
  3. Step 3: Cross multiply
    71,302,248x = 98,398,298.88 × 38,707,200
  4. Step 4: Simplify right side
    71,302,248x = 3,808,722,634,407,936
  5. Step 5: Solve for x
    x = 3,808,722,634,407,936/71,302,248
  6. Step 6: Final answer
    x = 53,416,585.61

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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.