Home / 77,161,301.91-116,203,854.98-70,273,826.55

Finding the Fourth Proportional to 77,161,301.91, 116,203,854.98 and 70,273,826.55

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Solution

The fourth proportional to 77,161,301.91, 116,203,854.98 and 70,273,826.55 is: 105,831,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,161,301.91 : 116,203,854.98 = 70,273,826.55 : x
  2. Step 2: Convert to fraction form
    77,161,301.91/116,203,854.98 = 70,273,826.55/x
  3. Step 3: Cross multiply
    77,161,301.91x = 116,203,854.98 × 70,273,826.55
  4. Step 4: Simplify right side
    77,161,301.91x = 8,166,089,548,724,855
  5. Step 5: Solve for x
    x = 8,166,089,548,724,855/77,161,301.91
  6. Step 6: Final answer
    x = 105,831,412.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.