Home / 220,527,276.60-330,287,030.10-129,828,012.60

Finding the Fourth Proportional to 220,527,276.60, 330,287,030.10 and 129,828,012.60

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Solution

The fourth proportional to 220,527,276.60, 330,287,030.10 and 129,828,012.60 is: 194,445,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,527,276.60 : 330,287,030.10 = 129,828,012.60 : x
  2. Step 2: Convert to fraction form
    220,527,276.60/330,287,030.10 = 129,828,012.60/x
  3. Step 3: Cross multiply
    220,527,276.60x = 330,287,030.10 × 129,828,012.60
  4. Step 4: Simplify right side
    220,527,276.60x = 42,880,508,705,439,384
  5. Step 5: Solve for x
    x = 42,880,508,705,439,384/220,527,276.60
  6. Step 6: Final answer
    x = 194,445,373.68

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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.