Home / 89,339,965.10-134,009,947.65-71,424,061.10

Finding the Fourth Proportional to 89,339,965.10, 134,009,947.65 and 71,424,061.10

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Solution

The fourth proportional to 89,339,965.10, 134,009,947.65 and 71,424,061.10 is: 107,136,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339,965.10 : 134,009,947.65 = 71,424,061.10 : x
  2. Step 2: Convert to fraction form
    89,339,965.10/134,009,947.65 = 71,424,061.10/x
  3. Step 3: Cross multiply
    89,339,965.10x = 134,009,947.65 × 71,424,061.10
  4. Step 4: Simplify right side
    89,339,965.10x = 9,571,534,688,961,402
  5. Step 5: Solve for x
    x = 9,571,534,688,961,402/89,339,965.10
  6. Step 6: Final answer
    x = 107,136,091.65

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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.