Home / 321,811,948.80-482,472,395.37-146,812,598.31

Finding the Fourth Proportional to 321,811,948.80, 482,472,395.37 and 146,812,598.31

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Solution

The fourth proportional to 321,811,948.80, 482,472,395.37 and 146,812,598.31 is: 220,106,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,811,948.80 : 482,472,395.37 = 146,812,598.31 : x
  2. Step 2: Convert to fraction form
    321,811,948.80/482,472,395.37 = 146,812,598.31/x
  3. Step 3: Cross multiply
    321,811,948.80x = 482,472,395.37 × 146,812,598.31
  4. Step 4: Simplify right side
    321,811,948.80x = 70,833,025,977,119,312
  5. Step 5: Solve for x
    x = 70,833,025,977,119,312/321,811,948.80
  6. Step 6: Final answer
    x = 220,106,886.15

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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.