Home / 91,032,515.76-136,212,848.04-54,663,054.96

Finding the Fourth Proportional to 91,032,515.76, 136,212,848.04 and 54,663,054.96

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Solution

The fourth proportional to 91,032,515.76, 136,212,848.04 and 54,663,054.96 is: 81,792,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,032,515.76 : 136,212,848.04 = 54,663,054.96 : x
  2. Step 2: Convert to fraction form
    91,032,515.76/136,212,848.04 = 54,663,054.96/x
  3. Step 3: Cross multiply
    91,032,515.76x = 136,212,848.04 × 54,663,054.96
  4. Step 4: Simplify right side
    91,032,515.76x = 7,445,810,398,668,648
  5. Step 5: Solve for x
    x = 7,445,810,398,668,648/91,032,515.76
  6. Step 6: Final answer
    x = 81,792,866.39

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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.