Home / 157,464,012.32-217,300,473.28-87,849,407.60

Finding the Fourth Proportional to 157,464,012.32, 217,300,473.28 and 87,849,407.60

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Solution

The fourth proportional to 157,464,012.32, 217,300,473.28 and 87,849,407.60 is: 121,232,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,012.32 : 217,300,473.28 = 87,849,407.60 : x
  2. Step 2: Convert to fraction form
    157,464,012.32/217,300,473.28 = 87,849,407.60/x
  3. Step 3: Cross multiply
    157,464,012.32x = 217,300,473.28 × 87,849,407.60
  4. Step 4: Simplify right side
    157,464,012.32x = 19,089,717,848,847,628
  5. Step 5: Solve for x
    x = 19,089,717,848,847,628/157,464,012.32
  6. Step 6: Final answer
    x = 121,232,258.52

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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.