Home / 156,761,267.91-216,011,788.01-121,263,510.26

Finding the Fourth Proportional to 156,761,267.91, 216,011,788.01 and 121,263,510.26

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Solution

The fourth proportional to 156,761,267.91, 216,011,788.01 and 121,263,510.26 is: 167,097,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,761,267.91 : 216,011,788.01 = 121,263,510.26 : x
  2. Step 2: Convert to fraction form
    156,761,267.91/216,011,788.01 = 121,263,510.26/x
  3. Step 3: Cross multiply
    156,761,267.91x = 216,011,788.01 × 121,263,510.26
  4. Step 4: Simplify right side
    156,761,267.91x = 26,194,347,669,945,200
  5. Step 5: Solve for x
    x = 26,194,347,669,945,200/156,761,267.91
  6. Step 6: Final answer
    x = 167,097,064.34

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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.