Home / 171,072,587.80-256,608,881.70-103,048,139.80

Finding the Fourth Proportional to 171,072,587.80, 256,608,881.70 and 103,048,139.80

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Solution

The fourth proportional to 171,072,587.80, 256,608,881.70 and 103,048,139.80 is: 154,572,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,587.80 : 256,608,881.70 = 103,048,139.80 : x
  2. Step 2: Convert to fraction form
    171,072,587.80/256,608,881.70 = 103,048,139.80/x
  3. Step 3: Cross multiply
    171,072,587.80x = 256,608,881.70 × 103,048,139.80
  4. Step 4: Simplify right side
    171,072,587.80x = 26,443,067,915,343,260
  5. Step 5: Solve for x
    x = 26,443,067,915,343,260/171,072,587.80
  6. Step 6: Final answer
    x = 154,572,209.70

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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.