Home / 141,691,166.16-195,525,903.29-78,109,453.95

Finding the Fourth Proportional to 141,691,166.16, 195,525,903.29 and 78,109,453.95

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Solution

The fourth proportional to 141,691,166.16, 195,525,903.29 and 78,109,453.95 is: 107,786,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,691,166.16 : 195,525,903.29 = 78,109,453.95 : x
  2. Step 2: Convert to fraction form
    141,691,166.16/195,525,903.29 = 78,109,453.95/x
  3. Step 3: Cross multiply
    141,691,166.16x = 195,525,903.29 × 78,109,453.95
  4. Step 4: Simplify right side
    141,691,166.16x = 15,272,421,538,671,862
  5. Step 5: Solve for x
    x = 15,272,421,538,671,862/141,691,166.16
  6. Step 6: Final answer
    x = 107,786,688.14

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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.