Home / 52,112,062.55-78,168,655.07-15,720,768.17

Finding the Fourth Proportional to 52,112,062.55, 78,168,655.07 and 15,720,768.17

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Solution

The fourth proportional to 52,112,062.55, 78,168,655.07 and 15,720,768.17 is: 23,581,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,062.55 : 78,168,655.07 = 15,720,768.17 : x
  2. Step 2: Convert to fraction form
    52,112,062.55/78,168,655.07 = 15,720,768.17/x
  3. Step 3: Cross multiply
    52,112,062.55x = 78,168,655.07 × 15,720,768.17
  4. Step 4: Simplify right side
    52,112,062.55x = 1,228,871,304,926,931.25
  5. Step 5: Solve for x
    x = 1,228,871,304,926,931.25/52,112,062.55
  6. Step 6: Final answer
    x = 23,581,321.58

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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.