Home / 122,908,011.10-169,613,237.71-69,984,761.88

Finding the Fourth Proportional to 122,908,011.10, 169,613,237.71 and 69,984,761.88

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Solution

The fourth proportional to 122,908,011.10, 169,613,237.71 and 69,984,761.88 is: 96,579,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,908,011.10 : 169,613,237.71 = 69,984,761.88 : x
  2. Step 2: Convert to fraction form
    122,908,011.10/169,613,237.71 = 69,984,761.88/x
  3. Step 3: Cross multiply
    122,908,011.10x = 169,613,237.71 × 69,984,761.88
  4. Step 4: Simplify right side
    122,908,011.10x = 11,870,342,051,982,120
  5. Step 5: Solve for x
    x = 11,870,342,051,982,120/122,908,011.10
  6. Step 6: Final answer
    x = 96,579,075.24

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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.