Home / 151,600,334.17-209,209,091.47-81,985,715.03

Finding the Fourth Proportional to 151,600,334.17, 209,209,091.47 and 81,985,715.03

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Solution

The fourth proportional to 151,600,334.17, 209,209,091.47 and 81,985,715.03 is: 113,140,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,600,334.17 : 209,209,091.47 = 81,985,715.03 : x
  2. Step 2: Convert to fraction form
    151,600,334.17/209,209,091.47 = 81,985,715.03/x
  3. Step 3: Cross multiply
    151,600,334.17x = 209,209,091.47 × 81,985,715.03
  4. Step 4: Simplify right side
    151,600,334.17x = 17,152,156,953,693,616
  5. Step 5: Solve for x
    x = 17,152,156,953,693,616/151,600,334.17
  6. Step 6: Final answer
    x = 113,140,627.61

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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.