Home / 45,168,859.92-67,754,762.86-21,501,990.04

Finding the Fourth Proportional to 45,168,859.92, 67,754,762.86 and 21,501,990.04

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Solution

The fourth proportional to 45,168,859.92, 67,754,762.86 and 21,501,990.04 is: 32,253,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168,859.92 : 67,754,762.86 = 21,501,990.04 : x
  2. Step 2: Convert to fraction form
    45,168,859.92/67,754,762.86 = 21,501,990.04/x
  3. Step 3: Cross multiply
    45,168,859.92x = 67,754,762.86 × 21,501,990.04
  4. Step 4: Simplify right side
    45,168,859.92x = 1,456,862,236,178,281.75
  5. Step 5: Solve for x
    x = 1,456,862,236,178,281.75/45,168,859.92
  6. Step 6: Final answer
    x = 32,253,686.25

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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.