Home / 87,719,260.55-121,047,783.79-48,019,111.25

Finding the Fourth Proportional to 87,719,260.55, 121,047,783.79 and 48,019,111.25

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Solution

The fourth proportional to 87,719,260.55, 121,047,783.79 and 48,019,111.25 is: 66,263,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,719,260.55 : 121,047,783.79 = 48,019,111.25 : x
  2. Step 2: Convert to fraction form
    87,719,260.55/121,047,783.79 = 48,019,111.25/x
  3. Step 3: Cross multiply
    87,719,260.55x = 121,047,783.79 × 48,019,111.25
  4. Step 4: Simplify right side
    87,719,260.55x = 5,812,606,996,355,652
  5. Step 5: Solve for x
    x = 5,812,606,996,355,652/87,719,260.55
  6. Step 6: Final answer
    x = 66,263,748.23

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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.