Home / 291,886,825.66-402,803,779.02-159,727,787.15

Finding the Fourth Proportional to 291,886,825.66, 402,803,779.02 and 159,727,787.15

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Solution

The fourth proportional to 291,886,825.66, 402,803,779.02 and 159,727,787.15 is: 220,424,324.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,886,825.66 : 402,803,779.02 = 159,727,787.15 : x
  2. Step 2: Convert to fraction form
    291,886,825.66/402,803,779.02 = 159,727,787.15/x
  3. Step 3: Cross multiply
    291,886,825.66x = 402,803,779.02 × 159,727,787.15
  4. Step 4: Simplify right side
    291,886,825.66x = 64,338,956,278,522,192
  5. Step 5: Solve for x
    x = 64,338,956,278,522,192/291,886,825.66
  6. Step 6: Final answer
    x = 220,424,324.16

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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.