Home / 91,782,998.60-137,355,633.30-84,130,248.20

Finding the Fourth Proportional to 91,782,998.60, 137,355,633.30 and 84,130,248.20

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Solution

The fourth proportional to 91,782,998.60, 137,355,633.30 and 84,130,248.20 is: 125,903,094.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,782,998.60 : 137,355,633.30 = 84,130,248.20 : x
  2. Step 2: Convert to fraction form
    91,782,998.60/137,355,633.30 = 84,130,248.20/x
  3. Step 3: Cross multiply
    91,782,998.60x = 137,355,633.30 × 84,130,248.20
  4. Step 4: Simplify right side
    91,782,998.60x = 11,555,763,521,197,186
  5. Step 5: Solve for x
    x = 11,555,763,521,197,186/91,782,998.60
  6. Step 6: Final answer
    x = 125,903,094.23

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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.