Home / 118,137,871.60-177,206,807.40-83,873,705.20

Finding the Fourth Proportional to 118,137,871.60, 177,206,807.40 and 83,873,705.20

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Solution

The fourth proportional to 118,137,871.60, 177,206,807.40 and 83,873,705.20 is: 125,810,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,137,871.60 : 177,206,807.40 = 83,873,705.20 : x
  2. Step 2: Convert to fraction form
    118,137,871.60/177,206,807.40 = 83,873,705.20/x
  3. Step 3: Cross multiply
    118,137,871.60x = 177,206,807.40 × 83,873,705.20
  4. Step 4: Simplify right side
    118,137,871.60x = 14,862,991,523,300,780
  5. Step 5: Solve for x
    x = 14,862,991,523,300,780/118,137,871.60
  6. Step 6: Final answer
    x = 125,810,557.80

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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.