Home / 101,091,591-151,637,381.28-28,319,146.56

Finding the Fourth Proportional to 101,091,591, 151,637,381.28 and 28,319,146.56

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Solution

The fourth proportional to 101,091,591, 151,637,381.28 and 28,319,146.56 is: 42,478,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,091,591 : 151,637,381.28 = 28,319,146.56 : x
  2. Step 2: Convert to fraction form
    101,091,591/151,637,381.28 = 28,319,146.56/x
  3. Step 3: Cross multiply
    101,091,591x = 151,637,381.28 × 28,319,146.56
  4. Step 4: Simplify right side
    101,091,591x = 4,294,241,224,442,920
  5. Step 5: Solve for x
    x = 4,294,241,224,442,920/101,091,591
  6. Step 6: Final answer
    x = 42,478,718.38

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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.