Home / 220,499,916.23-330,799,703.22-72,947,130.03

Finding the Fourth Proportional to 220,499,916.23, 330,799,703.22 and 72,947,130.03

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Solution

The fourth proportional to 220,499,916.23, 330,799,703.22 and 72,947,130.03 is: 109,437,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,499,916.23 : 330,799,703.22 = 72,947,130.03 : x
  2. Step 2: Convert to fraction form
    220,499,916.23/330,799,703.22 = 72,947,130.03/x
  3. Step 3: Cross multiply
    220,499,916.23x = 330,799,703.22 × 72,947,130.03
  4. Step 4: Simplify right side
    220,499,916.23x = 24,130,888,964,674,752
  5. Step 5: Solve for x
    x = 24,130,888,964,674,752/220,499,916.23
  6. Step 6: Final answer
    x = 109,437,179.74

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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.