Home / 156,761,266.41-216,011,785.94-121,263,508.76

Finding the Fourth Proportional to 156,761,266.41, 216,011,785.94 and 121,263,508.76

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Solution

The fourth proportional to 156,761,266.41, 216,011,785.94 and 121,263,508.76 is: 167,097,062.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,761,266.41 : 216,011,785.94 = 121,263,508.76 : x
  2. Step 2: Convert to fraction form
    156,761,266.41/216,011,785.94 = 121,263,508.76/x
  3. Step 3: Cross multiply
    156,761,266.41x = 216,011,785.94 × 121,263,508.76
  4. Step 4: Simplify right side
    156,761,266.41x = 26,194,347,095,366,796
  5. Step 5: Solve for x
    x = 26,194,347,095,366,796/156,761,266.41
  6. Step 6: Final answer
    x = 167,097,062.27

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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.