Home / 288,401,863.95-432,602,801.42-70,050,734.82

Finding the Fourth Proportional to 288,401,863.95, 432,602,801.42 and 70,050,734.82

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Solution

The fourth proportional to 288,401,863.95, 432,602,801.42 and 70,050,734.82 is: 105,076,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,401,863.95 : 432,602,801.42 = 70,050,734.82 : x
  2. Step 2: Convert to fraction form
    288,401,863.95/432,602,801.42 = 70,050,734.82/x
  3. Step 3: Cross multiply
    288,401,863.95x = 432,602,801.42 × 70,050,734.82
  4. Step 4: Simplify right side
    288,401,863.95x = 30,304,144,124,311,284
  5. Step 5: Solve for x
    x = 30,304,144,124,311,284/288,401,863.95
  6. Step 6: Final answer
    x = 105,076,103.56

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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.