Home / 65,445,186.60-90,314,986.10-36,077,569.83

Finding the Fourth Proportional to 65,445,186.60, 90,314,986.10 and 36,077,569.83

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Solution

The fourth proportional to 65,445,186.60, 90,314,986.10 and 36,077,569.83 is: 49,787,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,445,186.60 : 90,314,986.10 = 36,077,569.83 : x
  2. Step 2: Convert to fraction form
    65,445,186.60/90,314,986.10 = 36,077,569.83/x
  3. Step 3: Cross multiply
    65,445,186.60x = 90,314,986.10 × 36,077,569.83
  4. Step 4: Simplify right side
    65,445,186.60x = 3,258,345,217,537,841.50
  5. Step 5: Solve for x
    x = 3,258,345,217,537,841.50/65,445,186.60
  6. Step 6: Final answer
    x = 49,787,392.88

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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.