Home / 220,152,166.80-330,480,192.60-129,326,931.60

Finding the Fourth Proportional to 220,152,166.80, 330,480,192.60 and 129,326,931.60

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Solution

The fourth proportional to 220,152,166.80, 330,480,192.60 and 129,326,931.60 is: 194,138,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,152,166.80 : 330,480,192.60 = 129,326,931.60 : x
  2. Step 2: Convert to fraction form
    220,152,166.80/330,480,192.60 = 129,326,931.60/x
  3. Step 3: Cross multiply
    220,152,166.80x = 330,480,192.60 × 129,326,931.60
  4. Step 4: Simplify right side
    220,152,166.80x = 42,739,989,263,535,024
  5. Step 5: Solve for x
    x = 42,739,989,263,535,024/220,152,166.80
  6. Step 6: Final answer
    x = 194,138,399.29

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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.