Home / 105,750,803.88-145,941,421.14-66,082,298.04

Finding the Fourth Proportional to 105,750,803.88, 145,941,421.14 and 66,082,298.04

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Solution

The fourth proportional to 105,750,803.88, 145,941,421.14 and 66,082,298.04 is: 91,196,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,750,803.88 : 145,941,421.14 = 66,082,298.04 : x
  2. Step 2: Convert to fraction form
    105,750,803.88/145,941,421.14 = 66,082,298.04/x
  3. Step 3: Cross multiply
    105,750,803.88x = 145,941,421.14 × 66,082,298.04
  4. Step 4: Simplify right side
    105,750,803.88x = 9,644,144,488,154,636
  5. Step 5: Solve for x
    x = 9,644,144,488,154,636/105,750,803.88
  6. Step 6: Final answer
    x = 91,196,890.56

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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.