Home / 358,208,719.40-537,313,079.10-131,244,444.20

Finding the Fourth Proportional to 358,208,719.40, 537,313,079.10 and 131,244,444.20

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Solution

The fourth proportional to 358,208,719.40, 537,313,079.10 and 131,244,444.20 is: 196,866,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,208,719.40 : 537,313,079.10 = 131,244,444.20 : x
  2. Step 2: Convert to fraction form
    358,208,719.40/537,313,079.10 = 131,244,444.20/x
  3. Step 3: Cross multiply
    358,208,719.40x = 537,313,079.10 × 131,244,444.20
  4. Step 4: Simplify right side
    358,208,719.40x = 70,519,356,427,870,144
  5. Step 5: Solve for x
    x = 70,519,356,427,870,144/358,208,719.40
  6. Step 6: Final answer
    x = 196,866,666.30

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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.