Home / 72,221,069.76-99,665,065.28-41,281,903.36

Finding the Fourth Proportional to 72,221,069.76, 99,665,065.28 and 41,281,903.36

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Solution

The fourth proportional to 72,221,069.76, 99,665,065.28 and 41,281,903.36 is: 56,969,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,221,069.76 : 99,665,065.28 = 41,281,903.36 : x
  2. Step 2: Convert to fraction form
    72,221,069.76/99,665,065.28 = 41,281,903.36/x
  3. Step 3: Cross multiply
    72,221,069.76x = 99,665,065.28 × 41,281,903.36
  4. Step 4: Simplify right side
    72,221,069.76x = 4,114,363,593,257,051.50
  5. Step 5: Solve for x
    x = 4,114,363,593,257,051.50/72,221,069.76
  6. Step 6: Final answer
    x = 56,969,020.36

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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.