Home / 55,064,084.61-82,521,722.90-20,966,830.05

Finding the Fourth Proportional to 55,064,084.61, 82,521,722.90 and 20,966,830.05

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Solution

The fourth proportional to 55,064,084.61, 82,521,722.90 and 20,966,830.05 is: 31,421,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064,084.61 : 82,521,722.90 = 20,966,830.05 : x
  2. Step 2: Convert to fraction form
    55,064,084.61/82,521,722.90 = 20,966,830.05/x
  3. Step 3: Cross multiply
    55,064,084.61x = 82,521,722.90 × 20,966,830.05
  4. Step 4: Simplify right side
    55,064,084.61x = 1,730,218,939,839,366.75
  5. Step 5: Solve for x
    x = 1,730,218,939,839,366.75/55,064,084.61
  6. Step 6: Final answer
    x = 31,421,914.16

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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.