Home / 220,161,753.40-330,242,630.10-118,125,081.40

Finding the Fourth Proportional to 220,161,753.40, 330,242,630.10 and 118,125,081.40

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Solution

The fourth proportional to 220,161,753.40, 330,242,630.10 and 118,125,081.40 is: 177,187,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,161,753.40 : 330,242,630.10 = 118,125,081.40 : x
  2. Step 2: Convert to fraction form
    220,161,753.40/330,242,630.10 = 118,125,081.40/x
  3. Step 3: Cross multiply
    220,161,753.40x = 330,242,630.10 × 118,125,081.40
  4. Step 4: Simplify right side
    220,161,753.40x = 39,009,937,562,312,592
  5. Step 5: Solve for x
    x = 39,009,937,562,312,592/220,161,753.40
  6. Step 6: Final answer
    x = 177,187,622.10

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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.