Home / 78,506,005.52-117,776,571.52-23,922,862.94

Finding the Fourth Proportional to 78,506,005.52, 117,776,571.52 and 23,922,862.94

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Solution

The fourth proportional to 78,506,005.52, 117,776,571.52 and 23,922,862.94 is: 35,889,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,506,005.52 : 117,776,571.52 = 23,922,862.94 : x
  2. Step 2: Convert to fraction form
    78,506,005.52/117,776,571.52 = 23,922,862.94/x
  3. Step 3: Cross multiply
    78,506,005.52x = 117,776,571.52 × 23,922,862.94
  4. Step 4: Simplify right side
    78,506,005.52x = 2,817,552,778,016,067.50
  5. Step 5: Solve for x
    x = 2,817,552,778,016,067.50/78,506,005.52
  6. Step 6: Final answer
    x = 35,889,646.40

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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.