Home / 328,292,877.90-492,574,964.85-143,964,975.18

Finding the Fourth Proportional to 328,292,877.90, 492,574,964.85 and 143,964,975.18

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Solution

The fourth proportional to 328,292,877.90, 492,574,964.85 and 143,964,975.18 is: 216,006,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,292,877.90 : 492,574,964.85 = 143,964,975.18 : x
  2. Step 2: Convert to fraction form
    328,292,877.90/492,574,964.85 = 143,964,975.18/x
  3. Step 3: Cross multiply
    328,292,877.90x = 492,574,964.85 × 143,964,975.18
  4. Step 4: Simplify right side
    328,292,877.90x = 70,913,542,588,919,632
  5. Step 5: Solve for x
    x = 70,913,542,588,919,632/328,292,877.90
  6. Step 6: Final answer
    x = 216,006,947.95

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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.