Home / 84,701,881.80-116,913,633.93-49,905,815.40

Finding the Fourth Proportional to 84,701,881.80, 116,913,633.93 and 49,905,815.40

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Solution

The fourth proportional to 84,701,881.80, 116,913,633.93 and 49,905,815.40 is: 68,884,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,701,881.80 : 116,913,633.93 = 49,905,815.40 : x
  2. Step 2: Convert to fraction form
    84,701,881.80/116,913,633.93 = 49,905,815.40/x
  3. Step 3: Cross multiply
    84,701,881.80x = 116,913,633.93 × 49,905,815.40
  4. Step 4: Simplify right side
    84,701,881.80x = 5,834,670,232,653,757
  5. Step 5: Solve for x
    x = 5,834,670,232,653,757/84,701,881.80
  6. Step 6: Final answer
    x = 68,884,776.92

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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.