Home / 222,045,732.20-306,455,178.12-127,941,862.92

Finding the Fourth Proportional to 222,045,732.20, 306,455,178.12 and 127,941,862.92

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Solution

The fourth proportional to 222,045,732.20, 306,455,178.12 and 127,941,862.92 is: 176,578,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,045,732.20 : 306,455,178.12 = 127,941,862.92 : x
  2. Step 2: Convert to fraction form
    222,045,732.20/306,455,178.12 = 127,941,862.92/x
  3. Step 3: Cross multiply
    222,045,732.20x = 306,455,178.12 × 127,941,862.92
  4. Step 4: Simplify right side
    222,045,732.20x = 39,208,446,390,153,224
  5. Step 5: Solve for x
    x = 39,208,446,390,153,224/222,045,732.20
  6. Step 6: Final answer
    x = 176,578,248.10

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1.5x scale

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.