Home / 261,854,792.86-392,337,693.32-158,005,777.88

Finding the Fourth Proportional to 261,854,792.86, 392,337,693.32 and 158,005,777.88

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Solution

The fourth proportional to 261,854,792.86, 392,337,693.32 and 158,005,777.88 is: 236,740,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,854,792.86 : 392,337,693.32 = 158,005,777.88 : x
  2. Step 2: Convert to fraction form
    261,854,792.86/392,337,693.32 = 158,005,777.88/x
  3. Step 3: Cross multiply
    261,854,792.86x = 392,337,693.32 × 158,005,777.88
  4. Step 4: Simplify right side
    261,854,792.86x = 61,991,622,421,919,760
  5. Step 5: Solve for x
    x = 61,991,622,421,919,760/261,854,792.86
  6. Step 6: Final answer
    x = 236,740,453.54

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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.