Home / 118,133,299.26-163,023,959.10-65,210,020.92

Finding the Fourth Proportional to 118,133,299.26, 163,023,959.10 and 65,210,020.92

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Solution

The fourth proportional to 118,133,299.26, 163,023,959.10 and 65,210,020.92 is: 89,989,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,133,299.26 : 163,023,959.10 = 65,210,020.92 : x
  2. Step 2: Convert to fraction form
    118,133,299.26/163,023,959.10 = 65,210,020.92/x
  3. Step 3: Cross multiply
    118,133,299.26x = 163,023,959.10 × 65,210,020.92
  4. Step 4: Simplify right side
    118,133,299.26x = 10,630,795,783,372,224
  5. Step 5: Solve for x
    x = 10,630,795,783,372,224/118,133,299.26
  6. Step 6: Final answer
    x = 89,989,832.25

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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.