Home / 157,778,528.82-236,667,793.80-42,763,071.30

Finding the Fourth Proportional to 157,778,528.82, 236,667,793.80 and 42,763,071.30

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Solution

The fourth proportional to 157,778,528.82, 236,667,793.80 and 42,763,071.30 is: 64,144,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,778,528.82 : 236,667,793.80 = 42,763,071.30 : x
  2. Step 2: Convert to fraction form
    157,778,528.82/236,667,793.80 = 42,763,071.30/x
  3. Step 3: Cross multiply
    157,778,528.82x = 236,667,793.80 × 42,763,071.30
  4. Step 4: Simplify right side
    157,778,528.82x = 10,120,641,740,683,098
  5. Step 5: Solve for x
    x = 10,120,641,740,683,098/157,778,528.82
  6. Step 6: Final answer
    x = 64,144,607.10

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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.