Home / 213,246,031.60-319,869,047.40-98,454,775.60

Finding the Fourth Proportional to 213,246,031.60, 319,869,047.40 and 98,454,775.60

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Solution

The fourth proportional to 213,246,031.60, 319,869,047.40 and 98,454,775.60 is: 147,682,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,246,031.60 : 319,869,047.40 = 98,454,775.60 : x
  2. Step 2: Convert to fraction form
    213,246,031.60/319,869,047.40 = 98,454,775.60/x
  3. Step 3: Cross multiply
    213,246,031.60x = 319,869,047.40 × 98,454,775.60
  4. Step 4: Simplify right side
    213,246,031.60x = 31,492,635,283,152,760
  5. Step 5: Solve for x
    x = 31,492,635,283,152,760/213,246,031.60
  6. Step 6: Final answer
    x = 147,682,163.40

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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.