Home / 157,464,049.96-217,300,525.06-87,849,445.08

Finding the Fourth Proportional to 157,464,049.96, 217,300,525.06 and 87,849,445.08

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Solution

The fourth proportional to 157,464,049.96, 217,300,525.06 and 87,849,445.08 is: 121,232,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,049.96 : 217,300,525.06 = 87,849,445.08 : x
  2. Step 2: Convert to fraction form
    157,464,049.96/217,300,525.06 = 87,849,445.08/x
  3. Step 3: Cross multiply
    157,464,049.96x = 217,300,525.06 × 87,849,445.08
  4. Step 4: Simplify right side
    157,464,049.96x = 19,089,730,542,113,632
  5. Step 5: Solve for x
    x = 19,089,730,542,113,632/157,464,049.96
  6. Step 6: Final answer
    x = 121,232,310.15

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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.