Home / 201,111,001.60-301,666,502.40-79,942,453.60

Finding the Fourth Proportional to 201,111,001.60, 301,666,502.40 and 79,942,453.60

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Solution

The fourth proportional to 201,111,001.60, 301,666,502.40 and 79,942,453.60 is: 119,913,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,111,001.60 : 301,666,502.40 = 79,942,453.60 : x
  2. Step 2: Convert to fraction form
    201,111,001.60/301,666,502.40 = 79,942,453.60/x
  3. Step 3: Cross multiply
    201,111,001.60x = 301,666,502.40 × 79,942,453.60
  4. Step 4: Simplify right side
    201,111,001.60x = 24,115,960,370,786,284
  5. Step 5: Solve for x
    x = 24,115,960,370,786,284/201,111,001.60
  6. Step 6: Final answer
    x = 119,913,680.40

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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.