Home / 201,925,101.60-302,887,652.40-105,069,979.35

Finding the Fourth Proportional to 201,925,101.60, 302,887,652.40 and 105,069,979.35

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Solution

The fourth proportional to 201,925,101.60, 302,887,652.40 and 105,069,979.35 is: 157,604,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,925,101.60 : 302,887,652.40 = 105,069,979.35 : x
  2. Step 2: Convert to fraction form
    201,925,101.60/302,887,652.40 = 105,069,979.35/x
  3. Step 3: Cross multiply
    201,925,101.60x = 302,887,652.40 × 105,069,979.35
  4. Step 4: Simplify right side
    201,925,101.60x = 31,824,399,383,037,972
  5. Step 5: Solve for x
    x = 31,824,399,383,037,972/201,925,101.60
  6. Step 6: Final answer
    x = 157,604,969.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.