Home / 105,901,779.51-146,102,430.92-61,239,498.93

Finding the Fourth Proportional to 105,901,779.51, 146,102,430.92 and 61,239,498.93

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Solution

The fourth proportional to 105,901,779.51, 146,102,430.92 and 61,239,498.93 is: 84,486,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,901,779.51 : 146,102,430.92 = 61,239,498.93 : x
  2. Step 2: Convert to fraction form
    105,901,779.51/146,102,430.92 = 61,239,498.93/x
  3. Step 3: Cross multiply
    105,901,779.51x = 146,102,430.92 × 61,239,498.93
  4. Step 4: Simplify right side
    105,901,779.51x = 8,947,239,661,689,541
  5. Step 5: Solve for x
    x = 8,947,239,661,689,541/105,901,779.51
  6. Step 6: Final answer
    x = 84,486,206.97

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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.