Home / 91,212,077.64-137,036,385.60-58,486,762.80

Finding the Fourth Proportional to 91,212,077.64, 137,036,385.60 and 58,486,762.80

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Solution

The fourth proportional to 91,212,077.64, 137,036,385.60 and 58,486,762.80 is: 87,870,102.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,212,077.64 : 137,036,385.60 = 58,486,762.80 : x
  2. Step 2: Convert to fraction form
    91,212,077.64/137,036,385.60 = 58,486,762.80/x
  3. Step 3: Cross multiply
    91,212,077.64x = 137,036,385.60 × 58,486,762.80
  4. Step 4: Simplify right side
    91,212,077.64x = 8,014,814,579,556,535
  5. Step 5: Solve for x
    x = 8,014,814,579,556,535/91,212,077.64
  6. Step 6: Final answer
    x = 87,870,102.15

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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.