Home / 288,273,846.78-432,484,507.54-83,801,922.02

Finding the Fourth Proportional to 288,273,846.78, 432,484,507.54 and 83,801,922.02

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Solution

The fourth proportional to 288,273,846.78, 432,484,507.54 and 83,801,922.02 is: 125,724,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,273,846.78 : 432,484,507.54 = 83,801,922.02 : x
  2. Step 2: Convert to fraction form
    288,273,846.78/432,484,507.54 = 83,801,922.02/x
  3. Step 3: Cross multiply
    288,273,846.78x = 432,484,507.54 × 83,801,922.02
  4. Step 4: Simplify right side
    288,273,846.78x = 36,243,032,975,725,184
  5. Step 5: Solve for x
    x = 36,243,032,975,725,184/288,273,846.78
  6. Step 6: Final answer
    x = 125,724,318.67

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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.