Home / 315,224,559.93-472,426,704.59-128,260,617.71

Finding the Fourth Proportional to 315,224,559.93, 472,426,704.59 and 128,260,617.71

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Solution

The fourth proportional to 315,224,559.93, 472,426,704.59 and 128,260,617.71 is: 192,224,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,224,559.93 : 472,426,704.59 = 128,260,617.71 : x
  2. Step 2: Convert to fraction form
    315,224,559.93/472,426,704.59 = 128,260,617.71/x
  3. Step 3: Cross multiply
    315,224,559.93x = 472,426,704.59 × 128,260,617.71
  4. Step 4: Simplify right side
    315,224,559.93x = 60,593,740,953,413,088
  5. Step 5: Solve for x
    x = 60,593,740,953,413,088/315,224,559.93
  6. Step 6: Final answer
    x = 192,224,048.05

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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.