Home / 78,881,007.30-118,321,510.95-36,413,679.30

Finding the Fourth Proportional to 78,881,007.30, 118,321,510.95 and 36,413,679.30

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Solution

The fourth proportional to 78,881,007.30, 118,321,510.95 and 36,413,679.30 is: 54,620,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,881,007.30 : 118,321,510.95 = 36,413,679.30 : x
  2. Step 2: Convert to fraction form
    78,881,007.30/118,321,510.95 = 36,413,679.30/x
  3. Step 3: Cross multiply
    78,881,007.30x = 118,321,510.95 × 36,413,679.30
  4. Step 4: Simplify right side
    78,881,007.30x = 4,308,521,554,024,738
  5. Step 5: Solve for x
    x = 4,308,521,554,024,738/78,881,007.30
  6. Step 6: Final answer
    x = 54,620,518.95

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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.