Home / 52,178,275.89-78,266,912.54-31,713,642.09

Finding the Fourth Proportional to 52,178,275.89, 78,266,912.54 and 31,713,642.09

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Solution

The fourth proportional to 52,178,275.89, 78,266,912.54 and 31,713,642.09 is: 47,570,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,275.89 : 78,266,912.54 = 31,713,642.09 : x
  2. Step 2: Convert to fraction form
    52,178,275.89/78,266,912.54 = 31,713,642.09/x
  3. Step 3: Cross multiply
    52,178,275.89x = 78,266,912.54 × 31,713,642.09
  4. Step 4: Simplify right side
    52,178,275.89x = 2,482,128,851,624,324.50
  5. Step 5: Solve for x
    x = 2,482,128,851,624,324.50/52,178,275.89
  6. Step 6: Final answer
    x = 47,570,158.45

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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.