Home / 126,159,783.60-189,165,025.80-65,693,607.60

Finding the Fourth Proportional to 126,159,783.60, 189,165,025.80 and 65,693,607.60

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Solution

The fourth proportional to 126,159,783.60, 189,165,025.80 and 65,693,607.60 is: 98,501,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159,783.60 : 189,165,025.80 = 65,693,607.60 : x
  2. Step 2: Convert to fraction form
    126,159,783.60/189,165,025.80 = 65,693,607.60/x
  3. Step 3: Cross multiply
    126,159,783.60x = 189,165,025.80 × 65,693,607.60
  4. Step 4: Simplify right side
    126,159,783.60x = 12,426,932,976,549,078
  5. Step 5: Solve for x
    x = 12,426,932,976,549,078/126,159,783.60
  6. Step 6: Final answer
    x = 98,501,540.05

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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.