Home / 56,942,590.86-78,580,364.64-30,836,503.08

Finding the Fourth Proportional to 56,942,590.86, 78,580,364.64 and 30,836,503.08

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Solution

The fourth proportional to 56,942,590.86, 78,580,364.64 and 30,836,503.08 is: 42,554,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,942,590.86 : 78,580,364.64 = 30,836,503.08 : x
  2. Step 2: Convert to fraction form
    56,942,590.86/78,580,364.64 = 30,836,503.08/x
  3. Step 3: Cross multiply
    56,942,590.86x = 78,580,364.64 × 30,836,503.08
  4. Step 4: Simplify right side
    56,942,590.86x = 2,423,143,656,248,883
  5. Step 5: Solve for x
    x = 2,423,143,656,248,883/56,942,590.86
  6. Step 6: Final answer
    x = 42,554,151.82

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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.