Home / 201,577,363-278,028,231.18-152,019,822.76

Finding the Fourth Proportional to 201,577,363, 278,028,231.18 and 152,019,822.76

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Solution

The fourth proportional to 201,577,363, 278,028,231.18 and 152,019,822.76 is: 209,675,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,577,363 : 278,028,231.18 = 152,019,822.76 : x
  2. Step 2: Convert to fraction form
    201,577,363/278,028,231.18 = 152,019,822.76/x
  3. Step 3: Cross multiply
    201,577,363x = 278,028,231.18 × 152,019,822.76
  4. Step 4: Simplify right side
    201,577,363x = 42,265,802,426,259,904
  5. Step 5: Solve for x
    x = 42,265,802,426,259,904/201,577,363
  6. Step 6: Final answer
    x = 209,675,341.50

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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.