Home / 147,768,772.80-221,674,154.40-45,522,148.80

Finding the Fourth Proportional to 147,768,772.80, 221,674,154.40 and 45,522,148.80

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Solution

The fourth proportional to 147,768,772.80, 221,674,154.40 and 45,522,148.80 is: 68,289,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,768,772.80 : 221,674,154.40 = 45,522,148.80 : x
  2. Step 2: Convert to fraction form
    147,768,772.80/221,674,154.40 = 45,522,148.80/x
  3. Step 3: Cross multiply
    147,768,772.80x = 221,674,154.40 × 45,522,148.80
  4. Step 4: Simplify right side
    147,768,772.80x = 10,091,083,841,710,974
  5. Step 5: Solve for x
    x = 10,091,083,841,710,974/147,768,772.80
  6. Step 6: Final answer
    x = 68,289,691.05

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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.