Home / 52,188,631.09-72,016,110.86-30,163,557.07

Finding the Fourth Proportional to 52,188,631.09, 72,016,110.86 and 30,163,557.07

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Solution

The fourth proportional to 52,188,631.09, 72,016,110.86 and 30,163,557.07 is: 41,623,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,188,631.09 : 72,016,110.86 = 30,163,557.07 : x
  2. Step 2: Convert to fraction form
    52,188,631.09/72,016,110.86 = 30,163,557.07/x
  3. Step 3: Cross multiply
    52,188,631.09x = 72,016,110.86 × 30,163,557.07
  4. Step 4: Simplify right side
    52,188,631.09x = 2,172,262,069,824,259.25
  5. Step 5: Solve for x
    x = 2,172,262,069,824,259.25/52,188,631.09
  6. Step 6: Final answer
    x = 41,623,281.25

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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.