Home / 371,490,252.20-557,235,378.30-98,888,575.40

Finding the Fourth Proportional to 371,490,252.20, 557,235,378.30 and 98,888,575.40

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Solution

The fourth proportional to 371,490,252.20, 557,235,378.30 and 98,888,575.40 is: 148,332,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,490,252.20 : 557,235,378.30 = 98,888,575.40 : x
  2. Step 2: Convert to fraction form
    371,490,252.20/557,235,378.30 = 98,888,575.40/x
  3. Step 3: Cross multiply
    371,490,252.20x = 557,235,378.30 × 98,888,575.40
  4. Step 4: Simplify right side
    371,490,252.20x = 55,104,212,722,567,072
  5. Step 5: Solve for x
    x = 55,104,212,722,567,072/371,490,252.20
  6. Step 6: Final answer
    x = 148,332,863.10

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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.