Home / 288,401,858.20-432,602,792.77-70,050,729.05

Finding the Fourth Proportional to 288,401,858.20, 432,602,792.77 and 70,050,729.05

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Solution

The fourth proportional to 288,401,858.20, 432,602,792.77 and 70,050,729.05 is: 105,076,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,401,858.20 : 432,602,792.77 = 70,050,729.05 : x
  2. Step 2: Convert to fraction form
    288,401,858.20/432,602,792.77 = 70,050,729.05/x
  3. Step 3: Cross multiply
    288,401,858.20x = 432,602,792.77 × 70,050,729.05
  4. Step 4: Simplify right side
    288,401,858.20x = 30,304,141,022,604,568
  5. Step 5: Solve for x
    x = 30,304,141,022,604,568/288,401,858.20
  6. Step 6: Final answer
    x = 105,076,094.90

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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.