Home / 288,401,868.45-432,602,808.17-70,050,739.32

Finding the Fourth Proportional to 288,401,868.45, 432,602,808.17 and 70,050,739.32

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Solution

The fourth proportional to 288,401,868.45, 432,602,808.17 and 70,050,739.32 is: 105,076,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,401,868.45 : 432,602,808.17 = 70,050,739.32 : x
  2. Step 2: Convert to fraction form
    288,401,868.45/432,602,808.17 = 70,050,739.32/x
  3. Step 3: Cross multiply
    288,401,868.45x = 432,602,808.17 × 70,050,739.32
  4. Step 4: Simplify right side
    288,401,868.45x = 30,304,146,543,866,380
  5. Step 5: Solve for x
    x = 30,304,146,543,866,380/288,401,868.45
  6. Step 6: Final answer
    x = 105,076,110.31

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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.