Home / 209,546,597-289,294,166.04-139,077,769.88

Finding the Fourth Proportional to 209,546,597, 289,294,166.04 and 139,077,769.88

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Solution

The fourth proportional to 209,546,597, 289,294,166.04 and 139,077,769.88 is: 192,006,875.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,546,597 : 289,294,166.04 = 139,077,769.88 : x
  2. Step 2: Convert to fraction form
    209,546,597/289,294,166.04 = 139,077,769.88/x
  3. Step 3: Cross multiply
    209,546,597x = 289,294,166.04 × 139,077,769.88
  4. Step 4: Simplify right side
    209,546,597x = 40,234,387,452,137,632
  5. Step 5: Solve for x
    x = 40,234,387,452,137,632/209,546,597
  6. Step 6: Final answer
    x = 192,006,875.93

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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.