Home / 76,665,743.80-114,941,894.10-36,228,988.60

Finding the Fourth Proportional to 76,665,743.80, 114,941,894.10 and 36,228,988.60

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Solution

The fourth proportional to 76,665,743.80, 114,941,894.10 and 36,228,988.60 is: 54,316,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,665,743.80 : 114,941,894.10 = 36,228,988.60 : x
  2. Step 2: Convert to fraction form
    76,665,743.80/114,941,894.10 = 36,228,988.60/x
  3. Step 3: Cross multiply
    76,665,743.80x = 114,941,894.10 × 36,228,988.60
  4. Step 4: Simplify right side
    76,665,743.80x = 4,164,228,571,011,307
  5. Step 5: Solve for x
    x = 4,164,228,571,011,307/76,665,743.80
  6. Step 6: Final answer
    x = 54,316,678.67

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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.