Home / 71,186,862.48-98,238,643.74-41,819,432.82

Finding the Fourth Proportional to 71,186,862.48, 98,238,643.74 and 41,819,432.82

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Solution

The fourth proportional to 71,186,862.48, 98,238,643.74 and 41,819,432.82 is: 57,711,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,186,862.48 : 98,238,643.74 = 41,819,432.82 : x
  2. Step 2: Convert to fraction form
    71,186,862.48/98,238,643.74 = 41,819,432.82/x
  3. Step 3: Cross multiply
    71,186,862.48x = 98,238,643.74 × 41,819,432.82
  4. Step 4: Simplify right side
    71,186,862.48x = 4,108,284,362,212,843.50
  5. Step 5: Solve for x
    x = 4,108,284,362,212,843.50/71,186,862.48
  6. Step 6: Final answer
    x = 57,711,271.70

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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.