Home / 93,409,839.52-140,128,130.96-28,719,075.72

Finding the Fourth Proportional to 93,409,839.52, 140,128,130.96 and 28,719,075.72

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Solution

The fourth proportional to 93,409,839.52, 140,128,130.96 and 28,719,075.72 is: 43,082,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,409,839.52 : 140,128,130.96 = 28,719,075.72 : x
  2. Step 2: Convert to fraction form
    93,409,839.52/140,128,130.96 = 28,719,075.72/x
  3. Step 3: Cross multiply
    93,409,839.52x = 140,128,130.96 × 28,719,075.72
  4. Step 4: Simplify right side
    93,409,839.52x = 4,024,350,403,542,316.50
  5. Step 5: Solve for x
    x = 4,024,350,403,542,316.50/93,409,839.52
  6. Step 6: Final answer
    x = 43,082,724.73

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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.