Home / 280,824,535.17-421,294,254.42-96,568,081.71

Finding the Fourth Proportional to 280,824,535.17, 421,294,254.42 and 96,568,081.71

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Solution

The fourth proportional to 280,824,535.17, 421,294,254.42 and 96,568,081.71 is: 144,871,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,824,535.17 : 421,294,254.42 = 96,568,081.71 : x
  2. Step 2: Convert to fraction form
    280,824,535.17/421,294,254.42 = 96,568,081.71/x
  3. Step 3: Cross multiply
    280,824,535.17x = 421,294,254.42 × 96,568,081.71
  4. Step 4: Simplify right side
    280,824,535.17x = 40,683,577,984,784,088
  5. Step 5: Solve for x
    x = 40,683,577,984,784,088/280,824,535.17
  6. Step 6: Final answer
    x = 144,871,878.66

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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.