Home / 102,359,890.08-153,566,718.48-36,787,644.72

Finding the Fourth Proportional to 102,359,890.08, 153,566,718.48 and 36,787,644.72

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Solution

The fourth proportional to 102,359,890.08, 153,566,718.48 and 36,787,644.72 is: 55,191,128.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,359,890.08 : 153,566,718.48 = 36,787,644.72 : x
  2. Step 2: Convert to fraction form
    102,359,890.08/153,566,718.48 = 36,787,644.72/x
  3. Step 3: Cross multiply
    102,359,890.08x = 153,566,718.48 × 36,787,644.72
  4. Step 4: Simplify right side
    102,359,890.08x = 5,649,357,880,258,498
  5. Step 5: Solve for x
    x = 5,649,357,880,258,498/102,359,890.08
  6. Step 6: Final answer
    x = 55,191,128.83

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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.