Home / 133,248,032.20-199,872,048.30-102,977,619.40

Finding the Fourth Proportional to 133,248,032.20, 199,872,048.30 and 102,977,619.40

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Solution

The fourth proportional to 133,248,032.20, 199,872,048.30 and 102,977,619.40 is: 154,466,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,248,032.20 : 199,872,048.30 = 102,977,619.40 : x
  2. Step 2: Convert to fraction form
    133,248,032.20/199,872,048.30 = 102,977,619.40/x
  3. Step 3: Cross multiply
    133,248,032.20x = 199,872,048.30 × 102,977,619.40
  4. Step 4: Simplify right side
    133,248,032.20x = 20,582,347,718,535,820
  5. Step 5: Solve for x
    x = 20,582,347,718,535,820/133,248,032.20
  6. Step 6: Final answer
    x = 154,466,429.10

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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.