Home / 200,471,269-300,708,232.10-77,663,225.52

Finding the Fourth Proportional to 200,471,269, 300,708,232.10 and 77,663,225.52

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Solution

The fourth proportional to 200,471,269, 300,708,232.10 and 77,663,225.52 is: 116,495,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,471,269 : 300,708,232.10 = 77,663,225.52 : x
  2. Step 2: Convert to fraction form
    200,471,269/300,708,232.10 = 77,663,225.52/x
  3. Step 3: Cross multiply
    200,471,269x = 300,708,232.10 × 77,663,225.52
  4. Step 4: Simplify right side
    200,471,269x = 23,353,971,243,799,264
  5. Step 5: Solve for x
    x = 23,353,971,243,799,264/200,471,269
  6. Step 6: Final answer
    x = 116,495,352.98

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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.