Home / 70,315,021.49-105,387,501.47-36,217,766.93

Finding the Fourth Proportional to 70,315,021.49, 105,387,501.47 and 36,217,766.93

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Solution

The fourth proportional to 70,315,021.49, 105,387,501.47 and 36,217,766.93 is: 54,282,852.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,315,021.49 : 105,387,501.47 = 36,217,766.93 : x
  2. Step 2: Convert to fraction form
    70,315,021.49/105,387,501.47 = 36,217,766.93/x
  3. Step 3: Cross multiply
    70,315,021.49x = 105,387,501.47 × 36,217,766.93
  4. Step 4: Simplify right side
    70,315,021.49x = 3,816,899,964,867,466
  5. Step 5: Solve for x
    x = 3,816,899,964,867,466/70,315,021.49
  6. Step 6: Final answer
    x = 54,282,852.86

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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.