Home / 147,622,862.20-221,434,293.30-99,249,921.40

Finding the Fourth Proportional to 147,622,862.20, 221,434,293.30 and 99,249,921.40

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Solution

The fourth proportional to 147,622,862.20, 221,434,293.30 and 99,249,921.40 is: 148,874,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,862.20 : 221,434,293.30 = 99,249,921.40 : x
  2. Step 2: Convert to fraction form
    147,622,862.20/221,434,293.30 = 99,249,921.40/x
  3. Step 3: Cross multiply
    147,622,862.20x = 221,434,293.30 × 99,249,921.40
  4. Step 4: Simplify right side
    147,622,862.20x = 21,977,336,205,289,548
  5. Step 5: Solve for x
    x = 21,977,336,205,289,548/147,622,862.20
  6. Step 6: Final answer
    x = 148,874,882.10

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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.