Home / 431,161,950.40-646,748,455.20-143,947,614.40

Finding the Fourth Proportional to 431,161,950.40, 646,748,455.20 and 143,947,614.40

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Solution

The fourth proportional to 431,161,950.40, 646,748,455.20 and 143,947,614.40 is: 215,923,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,161,950.40 : 646,748,455.20 = 143,947,614.40 : x
  2. Step 2: Convert to fraction form
    431,161,950.40/646,748,455.20 = 143,947,614.40/x
  3. Step 3: Cross multiply
    431,161,950.40x = 646,748,455.20 × 143,947,614.40
  4. Step 4: Simplify right side
    431,161,950.40x = 93,097,897,242,925,280
  5. Step 5: Solve for x
    x = 93,097,897,242,925,280/431,161,950.40
  6. Step 6: Final answer
    x = 215,923,267.71

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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.