Home / 291,884,635.10-402,800,828.31-159,725,659.64

Finding the Fourth Proportional to 291,884,635.10, 402,800,828.31 and 159,725,659.64

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Solution

The fourth proportional to 291,884,635.10, 402,800,828.31 and 159,725,659.64 is: 220,421,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,884,635.10 : 402,800,828.31 = 159,725,659.64 : x
  2. Step 2: Convert to fraction form
    291,884,635.10/402,800,828.31 = 159,725,659.64/x
  3. Step 3: Cross multiply
    291,884,635.10x = 402,800,828.31 × 159,725,659.64
  4. Step 4: Simplify right side
    291,884,635.10x = 64,337,628,005,353,128
  5. Step 5: Solve for x
    x = 64,337,628,005,353,128/291,884,635.10
  6. Step 6: Final answer
    x = 220,421,427.74

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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.