Home / 89,782,972.29-134,673,646.01-28,372,140.74

Finding the Fourth Proportional to 89,782,972.29, 134,673,646.01 and 28,372,140.74

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Solution

The fourth proportional to 89,782,972.29, 134,673,646.01 and 28,372,140.74 is: 42,557,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,782,972.29 : 134,673,646.01 = 28,372,140.74 : x
  2. Step 2: Convert to fraction form
    89,782,972.29/134,673,646.01 = 28,372,140.74/x
  3. Step 3: Cross multiply
    89,782,972.29x = 134,673,646.01 × 28,372,140.74
  4. Step 4: Simplify right side
    89,782,972.29x = 3,820,979,638,759,482.50
  5. Step 5: Solve for x
    x = 3,820,979,638,759,482.50/89,782,972.29
  6. Step 6: Final answer
    x = 42,557,954.38

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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.