Home / 143,212,054.71-197,598,160.69-83,639,567.10

Finding the Fourth Proportional to 143,212,054.71, 197,598,160.69 and 83,639,567.10

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Solution

The fourth proportional to 143,212,054.71, 197,598,160.69 and 83,639,567.10 is: 115,402,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,212,054.71 : 197,598,160.69 = 83,639,567.10 : x
  2. Step 2: Convert to fraction form
    143,212,054.71/197,598,160.69 = 83,639,567.10/x
  3. Step 3: Cross multiply
    143,212,054.71x = 197,598,160.69 × 83,639,567.10
  4. Step 4: Simplify right side
    143,212,054.71x = 16,527,024,619,867,836
  5. Step 5: Solve for x
    x = 16,527,024,619,867,836/143,212,054.71
  6. Step 6: Final answer
    x = 115,402,468.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.