Home / 201,577,359-278,028,225.66-152,019,818.76

Finding the Fourth Proportional to 201,577,359, 278,028,225.66 and 152,019,818.76

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Solution

The fourth proportional to 201,577,359, 278,028,225.66 and 152,019,818.76 is: 209,675,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,577,359 : 278,028,225.66 = 152,019,818.76 : x
  2. Step 2: Convert to fraction form
    201,577,359/278,028,225.66 = 152,019,818.76/x
  3. Step 3: Cross multiply
    201,577,359x = 278,028,225.66 × 152,019,818.76
  4. Step 4: Simplify right side
    201,577,359x = 42,265,800,474,997,584
  5. Step 5: Solve for x
    x = 42,265,800,474,997,584/201,577,359
  6. Step 6: Final answer
    x = 209,675,335.98

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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.