Home / 76,316,066.52-105,306,613-51,590,052.28

Finding the Fourth Proportional to 76,316,066.52, 105,306,613 and 51,590,052.28

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Solution

The fourth proportional to 76,316,066.52, 105,306,613 and 51,590,052.28 is: 71,187,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,316,066.52 : 105,306,613 = 51,590,052.28 : x
  2. Step 2: Convert to fraction form
    76,316,066.52/105,306,613 = 51,590,052.28/x
  3. Step 3: Cross multiply
    76,316,066.52x = 105,306,613 × 51,590,052.28
  4. Step 4: Simplify right side
    76,316,066.52x = 5,432,773,670,099,728
  5. Step 5: Solve for x
    x = 5,432,773,670,099,728/76,316,066.52
  6. Step 6: Final answer
    x = 71,187,810.35

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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.