Home / 216,881,737.80-325,320,533.10-53,120,214.60

Finding the Fourth Proportional to 216,881,737.80, 325,320,533.10 and 53,120,214.60

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Solution

The fourth proportional to 216,881,737.80, 325,320,533.10 and 53,120,214.60 is: 79,679,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,881,737.80 : 325,320,533.10 = 53,120,214.60 : x
  2. Step 2: Convert to fraction form
    216,881,737.80/325,320,533.10 = 53,120,214.60/x
  3. Step 3: Cross multiply
    216,881,737.80x = 325,320,533.10 × 53,120,214.60
  4. Step 4: Simplify right side
    216,881,737.80x = 17,281,096,532,058,406
  5. Step 5: Solve for x
    x = 17,281,096,532,058,406/216,881,737.80
  6. Step 6: Final answer
    x = 79,679,814.02

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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.