Home / 105,173,846.40-157,760,769.60-48,550,742.40

Finding the Fourth Proportional to 105,173,846.40, 157,760,769.60 and 48,550,742.40

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Solution

The fourth proportional to 105,173,846.40, 157,760,769.60 and 48,550,742.40 is: 72,826,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,173,846.40 : 157,760,769.60 = 48,550,742.40 : x
  2. Step 2: Convert to fraction form
    105,173,846.40/157,760,769.60 = 48,550,742.40/x
  3. Step 3: Cross multiply
    105,173,846.40x = 157,760,769.60 × 48,550,742.40
  4. Step 4: Simplify right side
    105,173,846.40x = 7,659,402,485,675,351
  5. Step 5: Solve for x
    x = 7,659,402,485,675,351/105,173,846.40
  6. Step 6: Final answer
    x = 72,826,113.60

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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.