Home / 264,051,155.64-396,079,463.70-79,820,159.16

Finding the Fourth Proportional to 264,051,155.64, 396,079,463.70 and 79,820,159.16

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Solution

The fourth proportional to 264,051,155.64, 396,079,463.70 and 79,820,159.16 is: 119,731,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,051,155.64 : 396,079,463.70 = 79,820,159.16 : x
  2. Step 2: Convert to fraction form
    264,051,155.64/396,079,463.70 = 79,820,159.16/x
  3. Step 3: Cross multiply
    264,051,155.64x = 396,079,463.70 × 79,820,159.16
  4. Step 4: Simplify right side
    264,051,155.64x = 31,615,125,832,541,440
  5. Step 5: Solve for x
    x = 31,615,125,832,541,440/264,051,155.64
  6. Step 6: Final answer
    x = 119,731,064.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.