Home / 76,316,084-105,306,637.16-51,590,069.80

Finding the Fourth Proportional to 76,316,084, 105,306,637.16 and 51,590,069.80

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Solution

The fourth proportional to 76,316,084, 105,306,637.16 and 51,590,069.80 is: 71,187,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,316,084 : 105,306,637.16 = 51,590,069.80 : x
  2. Step 2: Convert to fraction form
    76,316,084/105,306,637.16 = 51,590,069.80/x
  3. Step 3: Cross multiply
    76,316,084x = 105,306,637.16 × 51,590,069.80
  4. Step 4: Simplify right side
    76,316,084x = 5,432,776,761,487,673
  5. Step 5: Solve for x
    x = 5,432,776,761,487,673/76,316,084
  6. Step 6: Final answer
    x = 71,187,834.55

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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.