Home / 118,627,277.20-178,045,891.80-70,044,384.40

Finding the Fourth Proportional to 118,627,277.20, 178,045,891.80 and 70,044,384.40

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Solution

The fourth proportional to 118,627,277.20, 178,045,891.80 and 70,044,384.40 is: 105,128,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,627,277.20 : 178,045,891.80 = 70,044,384.40 : x
  2. Step 2: Convert to fraction form
    118,627,277.20/178,045,891.80 = 70,044,384.40/x
  3. Step 3: Cross multiply
    118,627,277.20x = 178,045,891.80 × 70,044,384.40
  4. Step 4: Simplify right side
    118,627,277.20x = 12,471,114,886,080,010
  5. Step 5: Solve for x
    x = 12,471,114,886,080,010/118,627,277.20
  6. Step 6: Final answer
    x = 105,128,560.48

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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.