Home / 98,013,772.60-146,796,710.10-57,702,988.60

Finding the Fourth Proportional to 98,013,772.60, 146,796,710.10 and 57,702,988.60

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Solution

The fourth proportional to 98,013,772.60, 146,796,710.10 and 57,702,988.60 is: 86,422,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,013,772.60 : 146,796,710.10 = 57,702,988.60 : x
  2. Step 2: Convert to fraction form
    98,013,772.60/146,796,710.10 = 57,702,988.60/x
  3. Step 3: Cross multiply
    98,013,772.60x = 146,796,710.10 × 57,702,988.60
  4. Step 4: Simplify right side
    98,013,772.60x = 8,470,608,889,417,805
  5. Step 5: Solve for x
    x = 8,470,608,889,417,805/98,013,772.60
  6. Step 6: Final answer
    x = 86,422,639.03

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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.