Home / 98,413,501.60-147,620,252.40-71,203,722.40

Finding the Fourth Proportional to 98,413,501.60, 147,620,252.40 and 71,203,722.40

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Solution

The fourth proportional to 98,413,501.60, 147,620,252.40 and 71,203,722.40 is: 106,805,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,413,501.60 : 147,620,252.40 = 71,203,722.40 : x
  2. Step 2: Convert to fraction form
    98,413,501.60/147,620,252.40 = 71,203,722.40/x
  3. Step 3: Cross multiply
    98,413,501.60x = 147,620,252.40 × 71,203,722.40
  4. Step 4: Simplify right side
    98,413,501.60x = 10,511,111,472,507,536
  5. Step 5: Solve for x
    x = 10,511,111,472,507,536/98,413,501.60
  6. Step 6: Final answer
    x = 106,805,583.60

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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.