Home / 60,440,891.09-90,680,502.05-21,578,509.81

Finding the Fourth Proportional to 60,440,891.09, 90,680,502.05 and 21,578,509.81

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Solution

The fourth proportional to 60,440,891.09, 90,680,502.05 and 21,578,509.81 is: 32,374,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,440,891.09 : 90,680,502.05 = 21,578,509.81 : x
  2. Step 2: Convert to fraction form
    60,440,891.09/90,680,502.05 = 21,578,509.81/x
  3. Step 3: Cross multiply
    60,440,891.09x = 90,680,502.05 × 21,578,509.81
  4. Step 4: Simplify right side
    60,440,891.09x = 1,956,750,102,577,271
  5. Step 5: Solve for x
    x = 1,956,750,102,577,271/60,440,891.09
  6. Step 6: Final answer
    x = 32,374,607.11

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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.