Home / 118,143,194.43-163,046,644.14-65,230,106.02

Finding the Fourth Proportional to 118,143,194.43, 163,046,644.14 and 65,230,106.02

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Solution

The fourth proportional to 118,143,194.43, 163,046,644.14 and 65,230,106.02 is: 90,022,535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,143,194.43 : 163,046,644.14 = 65,230,106.02 : x
  2. Step 2: Convert to fraction form
    118,143,194.43/163,046,644.14 = 65,230,106.02/x
  3. Step 3: Cross multiply
    118,143,194.43x = 163,046,644.14 × 65,230,106.02
  4. Step 4: Simplify right side
    118,143,194.43x = 10,635,549,883,457,412
  5. Step 5: Solve for x
    x = 10,635,549,883,457,412/118,143,194.43
  6. Step 6: Final answer
    x = 90,022,535.24

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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.