Home / 70,883,979.18-106,341,585.04-21,700,204.50

Finding the Fourth Proportional to 70,883,979.18, 106,341,585.04 and 21,700,204.50

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Solution

The fourth proportional to 70,883,979.18, 106,341,585.04 and 21,700,204.50 is: 32,555,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883,979.18 : 106,341,585.04 = 21,700,204.50 : x
  2. Step 2: Convert to fraction form
    70,883,979.18/106,341,585.04 = 21,700,204.50/x
  3. Step 3: Cross multiply
    70,883,979.18x = 106,341,585.04 × 21,700,204.50
  4. Step 4: Simplify right side
    70,883,979.18x = 2,307,634,142,124,527.50
  5. Step 5: Solve for x
    x = 2,307,634,142,124,527.50/70,883,979.18
  6. Step 6: Final answer
    x = 32,555,087.47

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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.