Home / 85,964,124.30-128,946,186.45-58,754,345.10

Finding the Fourth Proportional to 85,964,124.30, 128,946,186.45 and 58,754,345.10

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Solution

The fourth proportional to 85,964,124.30, 128,946,186.45 and 58,754,345.10 is: 88,131,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,964,124.30 : 128,946,186.45 = 58,754,345.10 : x
  2. Step 2: Convert to fraction form
    85,964,124.30/128,946,186.45 = 58,754,345.10/x
  3. Step 3: Cross multiply
    85,964,124.30x = 128,946,186.45 × 58,754,345.10
  4. Step 4: Simplify right side
    85,964,124.30x = 7,576,148,738,012,244
  5. Step 5: Solve for x
    x = 7,576,148,738,012,244/85,964,124.30
  6. Step 6: Final answer
    x = 88,131,517.65

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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.