Home / 85,912,444.80-118,584,156.71-56,147,570.49

Finding the Fourth Proportional to 85,912,444.80, 118,584,156.71 and 56,147,570.49

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Solution

The fourth proportional to 85,912,444.80, 118,584,156.71 and 56,147,570.49 is: 77,499,974.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,912,444.80 : 118,584,156.71 = 56,147,570.49 : x
  2. Step 2: Convert to fraction form
    85,912,444.80/118,584,156.71 = 56,147,570.49/x
  3. Step 3: Cross multiply
    85,912,444.80x = 118,584,156.71 × 56,147,570.49
  4. Step 4: Simplify right side
    85,912,444.80x = 6,658,212,297,696,190
  5. Step 5: Solve for x
    x = 6,658,212,297,696,190/85,912,444.80
  6. Step 6: Final answer
    x = 77,499,974.69

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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.