Home / 119,274,400.80-178,911,601.20-118,518,573.60

Finding the Fourth Proportional to 119,274,400.80, 178,911,601.20 and 118,518,573.60

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Solution

The fourth proportional to 119,274,400.80, 178,911,601.20 and 118,518,573.60 is: 177,777,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,274,400.80 : 178,911,601.20 = 118,518,573.60 : x
  2. Step 2: Convert to fraction form
    119,274,400.80/178,911,601.20 = 118,518,573.60/x
  3. Step 3: Cross multiply
    119,274,400.80x = 178,911,601.20 × 118,518,573.60
  4. Step 4: Simplify right side
    119,274,400.80x = 21,204,347,774,716,044
  5. Step 5: Solve for x
    x = 21,204,347,774,716,044/119,274,400.80
  6. Step 6: Final answer
    x = 177,777,860.40

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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.