Home / 295,920,030.40-443,908,039.20-80,509,278.40

Finding the Fourth Proportional to 295,920,030.40, 443,908,039.20 and 80,509,278.40

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Solution

The fourth proportional to 295,920,030.40, 443,908,039.20 and 80,509,278.40 is: 120,771,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,920,030.40 : 443,908,039.20 = 80,509,278.40 : x
  2. Step 2: Convert to fraction form
    295,920,030.40/443,908,039.20 = 80,509,278.40/x
  3. Step 3: Cross multiply
    295,920,030.40x = 443,908,039.20 × 80,509,278.40
  4. Step 4: Simplify right side
    295,920,030.40x = 35,738,715,911,950,916
  5. Step 5: Solve for x
    x = 35,738,715,911,950,916/295,920,030.40
  6. Step 6: Final answer
    x = 120,771,533.66

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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.