Home / 291,886,826.16-402,803,779.71-159,727,787.66

Finding the Fourth Proportional to 291,886,826.16, 402,803,779.71 and 159,727,787.66

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Solution

The fourth proportional to 291,886,826.16, 402,803,779.71 and 159,727,787.66 is: 220,424,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,886,826.16 : 402,803,779.71 = 159,727,787.66 : x
  2. Step 2: Convert to fraction form
    291,886,826.16/402,803,779.71 = 159,727,787.66/x
  3. Step 3: Cross multiply
    291,886,826.16x = 402,803,779.71 × 159,727,787.66
  4. Step 4: Simplify right side
    291,886,826.16x = 64,338,956,592,150,272
  5. Step 5: Solve for x
    x = 64,338,956,592,150,272/291,886,826.16
  6. Step 6: Final answer
    x = 220,424,324.86

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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.