Home / 47,255,740.40-70,777,322.40-28,123,864.40

Finding the Fourth Proportional to 47,255,740.40, 70,777,322.40 and 28,123,864.40

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Solution

The fourth proportional to 47,255,740.40, 70,777,322.40 and 28,123,864.40 is: 42,122,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255,740.40 : 70,777,322.40 = 28,123,864.40 : x
  2. Step 2: Convert to fraction form
    47,255,740.40/70,777,322.40 = 28,123,864.40/x
  3. Step 3: Cross multiply
    47,255,740.40x = 70,777,322.40 × 28,123,864.40
  4. Step 4: Simplify right side
    47,255,740.40x = 1,990,531,817,772,682.50
  5. Step 5: Solve for x
    x = 1,990,531,817,772,682.50/47,255,740.40
  6. Step 6: Final answer
    x = 42,122,540.05

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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.