Home / 142,364,991.40-213,547,487.10-51,502,604.20

Finding the Fourth Proportional to 142,364,991.40, 213,547,487.10 and 51,502,604.20

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Solution

The fourth proportional to 142,364,991.40, 213,547,487.10 and 51,502,604.20 is: 77,253,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,364,991.40 : 213,547,487.10 = 51,502,604.20 : x
  2. Step 2: Convert to fraction form
    142,364,991.40/213,547,487.10 = 51,502,604.20/x
  3. Step 3: Cross multiply
    142,364,991.40x = 213,547,487.10 × 51,502,604.20
  4. Step 4: Simplify right side
    142,364,991.40x = 10,998,251,706,015,906
  5. Step 5: Solve for x
    x = 10,998,251,706,015,906/142,364,991.40
  6. Step 6: Final answer
    x = 77,253,906.30

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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.