Home / 141,630,810.69-195,445,935.12-81,289,736.49

Finding the Fourth Proportional to 141,630,810.69, 195,445,935.12 and 81,289,736.49

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Solution

The fourth proportional to 141,630,810.69, 195,445,935.12 and 81,289,736.49 is: 112,177,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,630,810.69 : 195,445,935.12 = 81,289,736.49 : x
  2. Step 2: Convert to fraction form
    141,630,810.69/195,445,935.12 = 81,289,736.49/x
  3. Step 3: Cross multiply
    141,630,810.69x = 195,445,935.12 × 81,289,736.49
  4. Step 4: Simplify right side
    141,630,810.69x = 15,887,748,563,946,436
  5. Step 5: Solve for x
    x = 15,887,748,563,946,436/141,630,810.69
  6. Step 6: Final answer
    x = 112,177,205.56

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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.