Home / 288,086,013.84-432,130,155.50-69,736,005.38

Finding the Fourth Proportional to 288,086,013.84, 432,130,155.50 and 69,736,005.38

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Solution

The fourth proportional to 288,086,013.84, 432,130,155.50 and 69,736,005.38 is: 104,604,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,086,013.84 : 432,130,155.50 = 69,736,005.38 : x
  2. Step 2: Convert to fraction form
    288,086,013.84/432,130,155.50 = 69,736,005.38/x
  3. Step 3: Cross multiply
    288,086,013.84x = 432,130,155.50 × 69,736,005.38
  4. Step 4: Simplify right side
    288,086,013.84x = 30,135,030,848,808,236
  5. Step 5: Solve for x
    x = 30,135,030,848,808,236/288,086,013.84
  6. Step 6: Final answer
    x = 104,604,282.75

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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.