Home / 171,756,231.60-257,634,347.40-137,744,007.60

Finding the Fourth Proportional to 171,756,231.60, 257,634,347.40 and 137,744,007.60

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Solution

The fourth proportional to 171,756,231.60, 257,634,347.40 and 137,744,007.60 is: 206,616,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,756,231.60 : 257,634,347.40 = 137,744,007.60 : x
  2. Step 2: Convert to fraction form
    171,756,231.60/257,634,347.40 = 137,744,007.60/x
  3. Step 3: Cross multiply
    171,756,231.60x = 257,634,347.40 × 137,744,007.60
  4. Step 4: Simplify right side
    171,756,231.60x = 35,487,587,506,286,640
  5. Step 5: Solve for x
    x = 35,487,587,506,286,640/171,756,231.60
  6. Step 6: Final answer
    x = 206,616,011.40

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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.