Home / 79,776,002.80-119,580,023.40-31,235,100.40

Finding the Fourth Proportional to 79,776,002.80, 119,580,023.40 and 31,235,100.40

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Solution

The fourth proportional to 79,776,002.80, 119,580,023.40 and 31,235,100.40 is: 46,819,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776,002.80 : 119,580,023.40 = 31,235,100.40 : x
  2. Step 2: Convert to fraction form
    79,776,002.80/119,580,023.40 = 31,235,100.40/x
  3. Step 3: Cross multiply
    79,776,002.80x = 119,580,023.40 × 31,235,100.40
  4. Step 4: Simplify right side
    79,776,002.80x = 3,735,094,036,733,349.50
  5. Step 5: Solve for x
    x = 3,735,094,036,733,349.50/79,776,002.80
  6. Step 6: Final answer
    x = 46,819,769.17

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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.