Home / 56,172,767.77-77,520,813.54-31,392,953.87

Finding the Fourth Proportional to 56,172,767.77, 77,520,813.54 and 31,392,953.87

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Solution

The fourth proportional to 56,172,767.77, 77,520,813.54 and 31,392,953.87 is: 43,323,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172,767.77 : 77,520,813.54 = 31,392,953.87 : x
  2. Step 2: Convert to fraction form
    56,172,767.77/77,520,813.54 = 31,392,953.87/x
  3. Step 3: Cross multiply
    56,172,767.77x = 77,520,813.54 × 31,392,953.87
  4. Step 4: Simplify right side
    56,172,767.77x = 2,433,607,323,426,091.50
  5. Step 5: Solve for x
    x = 2,433,607,323,426,091.50/56,172,767.77
  6. Step 6: Final answer
    x = 43,323,614.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.