Home / 142,635,718.73-213,943,113.30-45,565,362.92

Finding the Fourth Proportional to 142,635,718.73, 213,943,113.30 and 45,565,362.92

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Solution

The fourth proportional to 142,635,718.73, 213,943,113.30 and 45,565,362.92 is: 68,344,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,635,718.73 : 213,943,113.30 = 45,565,362.92 : x
  2. Step 2: Convert to fraction form
    142,635,718.73/213,943,113.30 = 45,565,362.92/x
  3. Step 3: Cross multiply
    142,635,718.73x = 213,943,113.30 × 45,565,362.92
  4. Step 4: Simplify right side
    142,635,718.73x = 9,748,395,601,749,180
  5. Step 5: Solve for x
    x = 9,748,395,601,749,180/142,635,718.73
  6. Step 6: Final answer
    x = 68,344,701.37

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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.