Home / 126,016,877.60-189,025,316.40-74,872,570.40

Finding the Fourth Proportional to 126,016,877.60, 189,025,316.40 and 74,872,570.40

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Solution

The fourth proportional to 126,016,877.60, 189,025,316.40 and 74,872,570.40 is: 112,308,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016,877.60 : 189,025,316.40 = 74,872,570.40 : x
  2. Step 2: Convert to fraction form
    126,016,877.60/189,025,316.40 = 74,872,570.40/x
  3. Step 3: Cross multiply
    126,016,877.60x = 189,025,316.40 × 74,872,570.40
  4. Step 4: Simplify right side
    126,016,877.60x = 14,152,811,309,541,276
  5. Step 5: Solve for x
    x = 14,152,811,309,541,276/126,016,877.60
  6. Step 6: Final answer
    x = 112,308,855.60

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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.