Home / 91,220,298.61-125,883,899.98-49,404,339.20

Finding the Fourth Proportional to 91,220,298.61, 125,883,899.98 and 49,404,339.20

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Solution

The fourth proportional to 91,220,298.61, 125,883,899.98 and 49,404,339.20 is: 68,177,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,220,298.61 : 125,883,899.98 = 49,404,339.20 : x
  2. Step 2: Convert to fraction form
    91,220,298.61/125,883,899.98 = 49,404,339.20/x
  3. Step 3: Cross multiply
    91,220,298.61x = 125,883,899.98 × 49,404,339.20
  4. Step 4: Simplify right side
    91,220,298.61x = 6,219,210,894,430,794
  5. Step 5: Solve for x
    x = 6,219,210,894,430,794/91,220,298.61
  6. Step 6: Final answer
    x = 68,177,927.38

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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.