Home / 315,524,567.70-473,286,851.55-145,655,255.70

Finding the Fourth Proportional to 315,524,567.70, 473,286,851.55 and 145,655,255.70

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Solution

The fourth proportional to 315,524,567.70, 473,286,851.55 and 145,655,255.70 is: 218,482,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,524,567.70 : 473,286,851.55 = 145,655,255.70 : x
  2. Step 2: Convert to fraction form
    315,524,567.70/473,286,851.55 = 145,655,255.70/x
  3. Step 3: Cross multiply
    315,524,567.70x = 473,286,851.55 × 145,655,255.70
  4. Step 4: Simplify right side
    315,524,567.70x = 68,936,717,381,963,184
  5. Step 5: Solve for x
    x = 68,936,717,381,963,184/315,524,567.70
  6. Step 6: Final answer
    x = 218,482,883.55

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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.