Home / 248,140,666.80-372,211,000.20-66,387,844.80

Finding the Fourth Proportional to 248,140,666.80, 372,211,000.20 and 66,387,844.80

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Solution

The fourth proportional to 248,140,666.80, 372,211,000.20 and 66,387,844.80 is: 99,581,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,140,666.80 : 372,211,000.20 = 66,387,844.80 : x
  2. Step 2: Convert to fraction form
    248,140,666.80/372,211,000.20 = 66,387,844.80/x
  3. Step 3: Cross multiply
    248,140,666.80x = 372,211,000.20 × 66,387,844.80
  4. Step 4: Simplify right side
    248,140,666.80x = 24,710,286,114,130,368
  5. Step 5: Solve for x
    x = 24,710,286,114,130,368/248,140,666.80
  6. Step 6: Final answer
    x = 99,581,767.20

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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.