Home / 358,208,712.40-537,313,068.60-131,244,437.20

Finding the Fourth Proportional to 358,208,712.40, 537,313,068.60 and 131,244,437.20

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Solution

The fourth proportional to 358,208,712.40, 537,313,068.60 and 131,244,437.20 is: 196,866,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,208,712.40 : 537,313,068.60 = 131,244,437.20 : x
  2. Step 2: Convert to fraction form
    358,208,712.40/537,313,068.60 = 131,244,437.20/x
  3. Step 3: Cross multiply
    358,208,712.40x = 537,313,068.60 × 131,244,437.20
  4. Step 4: Simplify right side
    358,208,712.40x = 70,519,351,288,612,000
  5. Step 5: Solve for x
    x = 70,519,351,288,612,000/358,208,712.40
  6. Step 6: Final answer
    x = 196,866,655.80

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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.