Home / 119,616,095.20-179,424,142.80-78,801,426.40

Finding the Fourth Proportional to 119,616,095.20, 179,424,142.80 and 78,801,426.40

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Solution

The fourth proportional to 119,616,095.20, 179,424,142.80 and 78,801,426.40 is: 118,202,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,616,095.20 : 179,424,142.80 = 78,801,426.40 : x
  2. Step 2: Convert to fraction form
    119,616,095.20/179,424,142.80 = 78,801,426.40/x
  3. Step 3: Cross multiply
    119,616,095.20x = 179,424,142.80 × 78,801,426.40
  4. Step 4: Simplify right side
    119,616,095.20x = 14,138,878,383,237,292
  5. Step 5: Solve for x
    x = 14,138,878,383,237,292/119,616,095.20
  6. Step 6: Final answer
    x = 118,202,139.60

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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.