Home / 77,288,000.90-115,932,001.35-73,508,864.90

Finding the Fourth Proportional to 77,288,000.90, 115,932,001.35 and 73,508,864.90

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Solution

The fourth proportional to 77,288,000.90, 115,932,001.35 and 73,508,864.90 is: 110,263,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,288,000.90 : 115,932,001.35 = 73,508,864.90 : x
  2. Step 2: Convert to fraction form
    77,288,000.90/115,932,001.35 = 73,508,864.90/x
  3. Step 3: Cross multiply
    77,288,000.90x = 115,932,001.35 × 73,508,864.90
  4. Step 4: Simplify right side
    77,288,000.90x = 8,522,029,824,823,768
  5. Step 5: Solve for x
    x = 8,522,029,824,823,768/77,288,000.90
  6. Step 6: Final answer
    x = 110,263,297.35

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1.5x scale

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.