Home / 286,050,401.20-429,075,601.80-70,639,649.20

Finding the Fourth Proportional to 286,050,401.20, 429,075,601.80 and 70,639,649.20

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Solution

The fourth proportional to 286,050,401.20, 429,075,601.80 and 70,639,649.20 is: 105,959,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,050,401.20 : 429,075,601.80 = 70,639,649.20 : x
  2. Step 2: Convert to fraction form
    286,050,401.20/429,075,601.80 = 70,639,649.20/x
  3. Step 3: Cross multiply
    286,050,401.20x = 429,075,601.80 × 70,639,649.20
  4. Step 4: Simplify right side
    286,050,401.20x = 30,309,749,991,430,892
  5. Step 5: Solve for x
    x = 30,309,749,991,430,892/286,050,401.20
  6. Step 6: Final answer
    x = 105,959,473.80

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1.5x scale

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.