Home / 76,540,859.64-114,811,746.17-19,033,130.81

Finding the Fourth Proportional to 76,540,859.64, 114,811,746.17 and 19,033,130.81

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Solution

The fourth proportional to 76,540,859.64, 114,811,746.17 and 19,033,130.81 is: 28,549,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,540,859.64 : 114,811,746.17 = 19,033,130.81 : x
  2. Step 2: Convert to fraction form
    76,540,859.64/114,811,746.17 = 19,033,130.81/x
  3. Step 3: Cross multiply
    76,540,859.64x = 114,811,746.17 × 19,033,130.81
  4. Step 4: Simplify right side
    76,540,859.64x = 2,185,226,982,708,902.25
  5. Step 5: Solve for x
    x = 2,185,226,982,708,902.25/76,540,859.64
  6. Step 6: Final answer
    x = 28,549,809.77

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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.