Home / 114,040,874.86-157,506,307.71-77,307,672.94

Finding the Fourth Proportional to 114,040,874.86, 157,506,307.71 and 77,307,672.94

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Solution

The fourth proportional to 114,040,874.86, 157,506,307.71 and 77,307,672.94 is: 106,772,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,040,874.86 : 157,506,307.71 = 77,307,672.94 : x
  2. Step 2: Convert to fraction form
    114,040,874.86/157,506,307.71 = 77,307,672.94/x
  3. Step 3: Cross multiply
    114,040,874.86x = 157,506,307.71 × 77,307,672.94
  4. Step 4: Simplify right side
    114,040,874.86x = 12,176,446,122,431,680
  5. Step 5: Solve for x
    x = 12,176,446,122,431,680/114,040,874.86
  6. Step 6: Final answer
    x = 106,772,647.42

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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.