Home / 52,716,514.80-79,122,011.40-45,536,156.40

Finding the Fourth Proportional to 52,716,514.80, 79,122,011.40 and 45,536,156.40

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Solution

The fourth proportional to 52,716,514.80, 79,122,011.40 and 45,536,156.40 is: 68,345,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,716,514.80 : 79,122,011.40 = 45,536,156.40 : x
  2. Step 2: Convert to fraction form
    52,716,514.80/79,122,011.40 = 45,536,156.40/x
  3. Step 3: Cross multiply
    52,716,514.80x = 79,122,011.40 × 45,536,156.40
  4. Step 4: Simplify right side
    52,716,514.80x = 3,602,912,285,792,983
  5. Step 5: Solve for x
    x = 3,602,912,285,792,983/52,716,514.80
  6. Step 6: Final answer
    x = 68,345,039.49

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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.