Home / 150,424,428.56-207,628,758.12-88,580,639.40

Finding the Fourth Proportional to 150,424,428.56, 207,628,758.12 and 88,580,639.40

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Solution

The fourth proportional to 150,424,428.56, 207,628,758.12 and 88,580,639.40 is: 122,266,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,424,428.56 : 207,628,758.12 = 88,580,639.40 : x
  2. Step 2: Convert to fraction form
    150,424,428.56/207,628,758.12 = 88,580,639.40/x
  3. Step 3: Cross multiply
    150,424,428.56x = 207,628,758.12 × 88,580,639.40
  4. Step 4: Simplify right side
    150,424,428.56x = 18,391,888,152,097,544
  5. Step 5: Solve for x
    x = 18,391,888,152,097,544/150,424,428.56
  6. Step 6: Final answer
    x = 122,266,631.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.