Home / 208,920,763.17-288,006,793.07-146,001,516.93

Finding the Fourth Proportional to 208,920,763.17, 288,006,793.07 and 146,001,516.93

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Solution

The fourth proportional to 208,920,763.17, 288,006,793.07 and 146,001,516.93 is: 201,269,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,920,763.17 : 288,006,793.07 = 146,001,516.93 : x
  2. Step 2: Convert to fraction form
    208,920,763.17/288,006,793.07 = 146,001,516.93/x
  3. Step 3: Cross multiply
    208,920,763.17x = 288,006,793.07 × 146,001,516.93
  4. Step 4: Simplify right side
    208,920,763.17x = 42,049,428,673,634,608
  5. Step 5: Solve for x
    x = 42,049,428,673,634,608/208,920,763.17
  6. Step 6: Final answer
    x = 201,269,744.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.