Home / 372,708,005.20-559,062,007.80-100,106,328.40

Finding the Fourth Proportional to 372,708,005.20, 559,062,007.80 and 100,106,328.40

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Solution

The fourth proportional to 372,708,005.20, 559,062,007.80 and 100,106,328.40 is: 150,159,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,708,005.20 : 559,062,007.80 = 100,106,328.40 : x
  2. Step 2: Convert to fraction form
    372,708,005.20/559,062,007.80 = 100,106,328.40/x
  3. Step 3: Cross multiply
    372,708,005.20x = 559,062,007.80 × 100,106,328.40
  4. Step 4: Simplify right side
    372,708,005.20x = 55,965,644,948,790,160
  5. Step 5: Solve for x
    x = 55,965,644,948,790,160/372,708,005.20
  6. Step 6: Final answer
    x = 150,159,492.60

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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.