Home / 70,858,885.80-106,288,328.70-53,726,802.60

Finding the Fourth Proportional to 70,858,885.80, 106,288,328.70 and 53,726,802.60

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Solution

The fourth proportional to 70,858,885.80, 106,288,328.70 and 53,726,802.60 is: 80,590,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858,885.80 : 106,288,328.70 = 53,726,802.60 : x
  2. Step 2: Convert to fraction form
    70,858,885.80/106,288,328.70 = 53,726,802.60/x
  3. Step 3: Cross multiply
    70,858,885.80x = 106,288,328.70 × 53,726,802.60
  4. Step 4: Simplify right side
    70,858,885.80x = 5,710,532,054,748,815
  5. Step 5: Solve for x
    x = 5,710,532,054,748,815/70,858,885.80
  6. Step 6: Final answer
    x = 80,590,203.90

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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.