Home / 618,095,135.60-927,142,703.40-158,008,947.20

Finding the Fourth Proportional to 618,095,135.60, 927,142,703.40 and 158,008,947.20

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Solution

The fourth proportional to 618,095,135.60, 927,142,703.40 and 158,008,947.20 is: 237,013,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,095,135.60 : 927,142,703.40 = 158,008,947.20 : x
  2. Step 2: Convert to fraction form
    618,095,135.60/927,142,703.40 = 158,008,947.20/x
  3. Step 3: Cross multiply
    618,095,135.60x = 927,142,703.40 × 158,008,947.20
  4. Step 4: Simplify right side
    618,095,135.60x = 146,496,842,468,395,840
  5. Step 5: Solve for x
    x = 146,496,842,468,395,840/618,095,135.60
  6. Step 6: Final answer
    x = 237,013,420.80

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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.