Home / 117,617,430.76-162,288,269.22-68,715,410.92

Finding the Fourth Proportional to 117,617,430.76, 162,288,269.22 and 68,715,410.92

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Solution

The fourth proportional to 117,617,430.76, 162,288,269.22 and 68,715,410.92 is: 94,813,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,617,430.76 : 162,288,269.22 = 68,715,410.92 : x
  2. Step 2: Convert to fraction form
    117,617,430.76/162,288,269.22 = 68,715,410.92/x
  3. Step 3: Cross multiply
    117,617,430.76x = 162,288,269.22 × 68,715,410.92
  4. Step 4: Simplify right side
    117,617,430.76x = 11,151,705,106,947,888
  5. Step 5: Solve for x
    x = 11,151,705,106,947,888/117,617,430.76
  6. Step 6: Final answer
    x = 94,813,371.07

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1.5x scale

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.