Home / 122,908,010.60-169,613,237.02-69,984,761.38

Finding the Fourth Proportional to 122,908,010.60, 169,613,237.02 and 69,984,761.38

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Solution

The fourth proportional to 122,908,010.60, 169,613,237.02 and 69,984,761.38 is: 96,579,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,908,010.60 : 169,613,237.02 = 69,984,761.38 : x
  2. Step 2: Convert to fraction form
    122,908,010.60/169,613,237.02 = 69,984,761.38/x
  3. Step 3: Cross multiply
    122,908,010.60x = 169,613,237.02 × 69,984,761.38
  4. Step 4: Simplify right side
    122,908,010.60x = 11,870,341,919,079,506
  5. Step 5: Solve for x
    x = 11,870,341,919,079,506/122,908,010.60
  6. Step 6: Final answer
    x = 96,579,074.56

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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.