Home / 91,054,200.90-136,581,301.35-81,488,262.90

Finding the Fourth Proportional to 91,054,200.90, 136,581,301.35 and 81,488,262.90

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Solution

The fourth proportional to 91,054,200.90, 136,581,301.35 and 81,488,262.90 is: 122,232,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,054,200.90 : 136,581,301.35 = 81,488,262.90 : x
  2. Step 2: Convert to fraction form
    91,054,200.90/136,581,301.35 = 81,488,262.90/x
  3. Step 3: Cross multiply
    91,054,200.90x = 136,581,301.35 × 81,488,262.90
  4. Step 4: Simplify right side
    91,054,200.90x = 11,129,772,991,632,926
  5. Step 5: Solve for x
    x = 11,129,772,991,632,926/91,054,200.90
  6. Step 6: Final answer
    x = 122,232,394.35

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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.