Home / 90,919,076.67-136,412,496.45-54,553,567.77

Finding the Fourth Proportional to 90,919,076.67, 136,412,496.45 and 54,553,567.77

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Solution

The fourth proportional to 90,919,076.67, 136,412,496.45 and 54,553,567.77 is: 81,850,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,919,076.67 : 136,412,496.45 = 54,553,567.77 : x
  2. Step 2: Convert to fraction form
    90,919,076.67/136,412,496.45 = 54,553,567.77/x
  3. Step 3: Cross multiply
    90,919,076.67x = 136,412,496.45 × 54,553,567.77
  4. Step 4: Simplify right side
    90,919,076.67x = 7,441,788,369,759,959
  5. Step 5: Solve for x
    x = 7,441,788,369,759,959/90,919,076.67
  6. Step 6: Final answer
    x = 81,850,681.31

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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.