Home / 75,466,446.15-104,143,069.46-42,426,842.55

Finding the Fourth Proportional to 75,466,446.15, 104,143,069.46 and 42,426,842.55

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Solution

The fourth proportional to 75,466,446.15, 104,143,069.46 and 42,426,842.55 is: 58,548,690.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466,446.15 : 104,143,069.46 = 42,426,842.55 : x
  2. Step 2: Convert to fraction form
    75,466,446.15/104,143,069.46 = 42,426,842.55/x
  3. Step 3: Cross multiply
    75,466,446.15x = 104,143,069.46 × 42,426,842.55
  4. Step 4: Simplify right side
    75,466,446.15x = 4,418,461,610,440,999
  5. Step 5: Solve for x
    x = 4,418,461,610,440,999/75,466,446.15
  6. Step 6: Final answer
    x = 58,548,690.65

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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.