Home / 157,464,683.90-236,197,025.85-42,445,105.10

Finding the Fourth Proportional to 157,464,683.90, 236,197,025.85 and 42,445,105.10

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Solution

The fourth proportional to 157,464,683.90, 236,197,025.85 and 42,445,105.10 is: 63,667,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,683.90 : 236,197,025.85 = 42,445,105.10 : x
  2. Step 2: Convert to fraction form
    157,464,683.90/236,197,025.85 = 42,445,105.10/x
  3. Step 3: Cross multiply
    157,464,683.90x = 236,197,025.85 × 42,445,105.10
  4. Step 4: Simplify right side
    157,464,683.90x = 10,025,407,586,510,666
  5. Step 5: Solve for x
    x = 10,025,407,586,510,666/157,464,683.90
  6. Step 6: Final answer
    x = 63,667,657.65

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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.