Home / 77,341,006.88-106,728,458.16-42,533,696.60

Finding the Fourth Proportional to 77,341,006.88, 106,728,458.16 and 42,533,696.60

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Solution

The fourth proportional to 77,341,006.88, 106,728,458.16 and 42,533,696.60 is: 58,695,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,341,006.88 : 106,728,458.16 = 42,533,696.60 : x
  2. Step 2: Convert to fraction form
    77,341,006.88/106,728,458.16 = 42,533,696.60/x
  3. Step 3: Cross multiply
    77,341,006.88x = 106,728,458.16 × 42,533,696.60
  4. Step 4: Simplify right side
    77,341,006.88x = 4,539,555,857,963,234
  5. Step 5: Solve for x
    x = 4,539,555,857,963,234/77,341,006.88
  6. Step 6: Final answer
    x = 58,695,329.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.