Home / 145,215,462.40-217,823,193.60-144,365,156.80

Finding the Fourth Proportional to 145,215,462.40, 217,823,193.60 and 144,365,156.80

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Solution

The fourth proportional to 145,215,462.40, 217,823,193.60 and 144,365,156.80 is: 216,547,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,215,462.40 : 217,823,193.60 = 144,365,156.80 : x
  2. Step 2: Convert to fraction form
    145,215,462.40/217,823,193.60 = 144,365,156.80/x
  3. Step 3: Cross multiply
    145,215,462.40x = 217,823,193.60 × 144,365,156.80
  4. Step 4: Simplify right side
    145,215,462.40x = 31,446,079,498,740,760
  5. Step 5: Solve for x
    x = 31,446,079,498,740,760/145,215,462.40
  6. Step 6: Final answer
    x = 216,547,735.20

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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.