Home / 98,426,890.80-147,640,336.20-92,758,186.80

Finding the Fourth Proportional to 98,426,890.80, 147,640,336.20 and 92,758,186.80

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Solution

The fourth proportional to 98,426,890.80, 147,640,336.20 and 92,758,186.80 is: 139,137,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,426,890.80 : 147,640,336.20 = 92,758,186.80 : x
  2. Step 2: Convert to fraction form
    98,426,890.80/147,640,336.20 = 92,758,186.80/x
  3. Step 3: Cross multiply
    98,426,890.80x = 147,640,336.20 × 92,758,186.80
  4. Step 4: Simplify right side
    98,426,890.80x = 13,694,849,884,454,400
  5. Step 5: Solve for x
    x = 13,694,849,884,454,400/98,426,890.80
  6. Step 6: Final answer
    x = 139,137,280.20

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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.