Home / 153,681,593.37-230,153,014.80-87,903,314.79

Finding the Fourth Proportional to 153,681,593.37, 230,153,014.80 and 87,903,314.79

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Solution

The fourth proportional to 153,681,593.37, 230,153,014.80 and 87,903,314.79 is: 131,643,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,681,593.37 : 230,153,014.80 = 87,903,314.79 : x
  2. Step 2: Convert to fraction form
    153,681,593.37/230,153,014.80 = 87,903,314.79/x
  3. Step 3: Cross multiply
    153,681,593.37x = 230,153,014.80 × 87,903,314.79
  4. Step 4: Simplify right side
    153,681,593.37x = 20,231,212,909,831,932
  5. Step 5: Solve for x
    x = 20,231,212,909,831,932/153,681,593.37
  6. Step 6: Final answer
    x = 131,643,695.68

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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.