Home / 103,571,082.65-142,926,066.05-56,528,493.95

Finding the Fourth Proportional to 103,571,082.65, 142,926,066.05 and 56,528,493.95

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Solution

The fourth proportional to 103,571,082.65, 142,926,066.05 and 56,528,493.95 is: 78,008,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,571,082.65 : 142,926,066.05 = 56,528,493.95 : x
  2. Step 2: Convert to fraction form
    103,571,082.65/142,926,066.05 = 56,528,493.95/x
  3. Step 3: Cross multiply
    103,571,082.65x = 142,926,066.05 × 56,528,493.95
  4. Step 4: Simplify right side
    103,571,082.65x = 8,079,395,259,007,452
  5. Step 5: Solve for x
    x = 8,079,395,259,007,452/103,571,082.65
  6. Step 6: Final answer
    x = 78,008,214.77

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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.