Home / 81,331,330.77-122,000,919.59-26,742,707.62

Finding the Fourth Proportional to 81,331,330.77, 122,000,919.59 and 26,742,707.62

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Solution

The fourth proportional to 81,331,330.77, 122,000,919.59 and 26,742,707.62 is: 40,115,351.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,331,330.77 : 122,000,919.59 = 26,742,707.62 : x
  2. Step 2: Convert to fraction form
    81,331,330.77/122,000,919.59 = 26,742,707.62/x
  3. Step 3: Cross multiply
    81,331,330.77x = 122,000,919.59 × 26,742,707.62
  4. Step 4: Simplify right side
    81,331,330.77x = 3,262,634,921,728,354.50
  5. Step 5: Solve for x
    x = 3,262,634,921,728,354.50/81,331,330.77
  6. Step 6: Final answer
    x = 40,115,351.50

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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.