Home / 91,724,401.48-126,575,878.80-49,908,638.82

Finding the Fourth Proportional to 91,724,401.48, 126,575,878.80 and 49,908,638.82

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Solution

The fourth proportional to 91,724,401.48, 126,575,878.80 and 49,908,638.82 is: 68,871,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,724,401.48 : 126,575,878.80 = 49,908,638.82 : x
  2. Step 2: Convert to fraction form
    91,724,401.48/126,575,878.80 = 49,908,638.82/x
  3. Step 3: Cross multiply
    91,724,401.48x = 126,575,878.80 × 49,908,638.82
  4. Step 4: Simplify right side
    91,724,401.48x = 6,317,229,818,353,295
  5. Step 5: Solve for x
    x = 6,317,229,818,353,295/91,724,401.48
  6. Step 6: Final answer
    x = 68,871,856.52

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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.