Home / 91,225,119.42-125,890,687.35-49,973,478.30

Finding the Fourth Proportional to 91,225,119.42, 125,890,687.35 and 49,973,478.30

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Solution

The fourth proportional to 91,225,119.42, 125,890,687.35 and 49,973,478.30 is: 68,963,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,225,119.42 : 125,890,687.35 = 49,973,478.30 : x
  2. Step 2: Convert to fraction form
    91,225,119.42/125,890,687.35 = 49,973,478.30/x
  3. Step 3: Cross multiply
    91,225,119.42x = 125,890,687.35 × 49,973,478.30
  4. Step 4: Simplify right side
    91,225,119.42x = 6,291,195,532,457,309
  5. Step 5: Solve for x
    x = 6,291,195,532,457,309/91,225,119.42
  6. Step 6: Final answer
    x = 68,963,412.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.