Home / 52,188,631.47-72,016,111.37-30,163,557.45

Finding the Fourth Proportional to 52,188,631.47, 72,016,111.37 and 30,163,557.45

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Solution

The fourth proportional to 52,188,631.47, 72,016,111.37 and 30,163,557.45 is: 41,623,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,188,631.47 : 72,016,111.37 = 30,163,557.45 : x
  2. Step 2: Convert to fraction form
    52,188,631.47/72,016,111.37 = 30,163,557.45/x
  3. Step 3: Cross multiply
    52,188,631.47x = 72,016,111.37 × 30,163,557.45
  4. Step 4: Simplify right side
    52,188,631.47x = 2,172,262,112,439,941.75
  5. Step 5: Solve for x
    x = 2,172,262,112,439,941.75/52,188,631.47
  6. Step 6: Final answer
    x = 41,623,281.76

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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.