Home / 289,756,895.20-435,139,227.60-153,707,999.20

Finding the Fourth Proportional to 289,756,895.20, 435,139,227.60 and 153,707,999.20

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Solution

The fourth proportional to 289,756,895.20, 435,139,227.60 and 153,707,999.20 is: 230,829,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,756,895.20 : 435,139,227.60 = 153,707,999.20 : x
  2. Step 2: Convert to fraction form
    289,756,895.20/435,139,227.60 = 153,707,999.20/x
  3. Step 3: Cross multiply
    289,756,895.20x = 435,139,227.60 × 153,707,999.20
  4. Step 4: Simplify right side
    289,756,895.20x = 66,884,380,047,829,416
  5. Step 5: Solve for x
    x = 66,884,380,047,829,416/289,756,895.20
  6. Step 6: Final answer
    x = 230,829,295.72

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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.