Home / 50,869,681.76-70,215,967.32-40,434,214.97

Finding the Fourth Proportional to 50,869,681.76, 70,215,967.32 and 40,434,214.97

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Solution

The fourth proportional to 50,869,681.76, 70,215,967.32 and 40,434,214.97 is: 55,811,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,869,681.76 : 70,215,967.32 = 40,434,214.97 : x
  2. Step 2: Convert to fraction form
    50,869,681.76/70,215,967.32 = 40,434,214.97/x
  3. Step 3: Cross multiply
    50,869,681.76x = 70,215,967.32 × 40,434,214.97
  4. Step 4: Simplify right side
    50,869,681.76x = 2,839,127,516,943,374.50
  5. Step 5: Solve for x
    x = 2,839,127,516,943,374.50/50,869,681.76
  6. Step 6: Final answer
    x = 55,811,780.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.