Home / 345,151,482.42-517,799,935.32-111,963,986.52

Finding the Fourth Proportional to 345,151,482.42, 517,799,935.32 and 111,963,986.52

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Solution

The fourth proportional to 345,151,482.42, 517,799,935.32 and 111,963,986.52 is: 167,969,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,151,482.42 : 517,799,935.32 = 111,963,986.52 : x
  2. Step 2: Convert to fraction form
    345,151,482.42/517,799,935.32 = 111,963,986.52/x
  3. Step 3: Cross multiply
    345,151,482.42x = 517,799,935.32 × 111,963,986.52
  4. Step 4: Simplify right side
    345,151,482.42x = 57,974,944,978,225,352
  5. Step 5: Solve for x
    x = 57,974,944,978,225,352/345,151,482.42
  6. Step 6: Final answer
    x = 167,969,566.79

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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.