Home / 147,633,255.38-203,735,602.22-81,552,384.72

Finding the Fourth Proportional to 147,633,255.38, 203,735,602.22 and 81,552,384.72

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Solution

The fourth proportional to 147,633,255.38, 203,735,602.22 and 81,552,384.72 is: 112,543,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,633,255.38 : 203,735,602.22 = 81,552,384.72 : x
  2. Step 2: Convert to fraction form
    147,633,255.38/203,735,602.22 = 81,552,384.72/x
  3. Step 3: Cross multiply
    147,633,255.38x = 203,735,602.22 × 81,552,384.72
  4. Step 4: Simplify right side
    147,633,255.38x = 16,615,124,213,406,326
  5. Step 5: Solve for x
    x = 16,615,124,213,406,326/147,633,255.38
  6. Step 6: Final answer
    x = 112,543,235.40

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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.