Home / 56,776,026.20-85,164,039.30-49,385,715.80

Finding the Fourth Proportional to 56,776,026.20, 85,164,039.30 and 49,385,715.80

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Solution

The fourth proportional to 56,776,026.20, 85,164,039.30 and 49,385,715.80 is: 74,078,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,776,026.20 : 85,164,039.30 = 49,385,715.80 : x
  2. Step 2: Convert to fraction form
    56,776,026.20/85,164,039.30 = 49,385,715.80/x
  3. Step 3: Cross multiply
    56,776,026.20x = 85,164,039.30 × 49,385,715.80
  4. Step 4: Simplify right side
    56,776,026.20x = 4,205,887,041,249,830.50
  5. Step 5: Solve for x
    x = 4,205,887,041,249,830.50/56,776,026.20
  6. Step 6: Final answer
    x = 74,078,573.70

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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.