Home / 105,868,656.86-146,099,773.91-61,211,275.97

Finding the Fourth Proportional to 105,868,656.86, 146,099,773.91 and 61,211,275.97

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Solution

The fourth proportional to 105,868,656.86, 146,099,773.91 and 61,211,275.97 is: 84,472,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,868,656.86 : 146,099,773.91 = 61,211,275.97 : x
  2. Step 2: Convert to fraction form
    105,868,656.86/146,099,773.91 = 61,211,275.97/x
  3. Step 3: Cross multiply
    105,868,656.86x = 146,099,773.91 × 61,211,275.97
  4. Step 4: Simplify right side
    105,868,656.86x = 8,942,953,579,382,145
  5. Step 5: Solve for x
    x = 8,942,953,579,382,145/105,868,656.86
  6. Step 6: Final answer
    x = 84,472,154.89

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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.