Home / 76,434,335.43-114,642,916.35-21,110,035.63

Finding the Fourth Proportional to 76,434,335.43, 114,642,916.35 and 21,110,035.63

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Solution

The fourth proportional to 76,434,335.43, 114,642,916.35 and 21,110,035.63 is: 31,662,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,434,335.43 : 114,642,916.35 = 21,110,035.63 : x
  2. Step 2: Convert to fraction form
    76,434,335.43/114,642,916.35 = 21,110,035.63/x
  3. Step 3: Cross multiply
    76,434,335.43x = 114,642,916.35 × 21,110,035.63
  4. Step 4: Simplify right side
    76,434,335.43x = 2,420,116,048,875,609.50
  5. Step 5: Solve for x
    x = 2,420,116,048,875,609.50/76,434,335.43
  6. Step 6: Final answer
    x = 31,662,681.90

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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.