Home / 286,294,439.28-430,088,118.32-169,786,211.93

Finding the Fourth Proportional to 286,294,439.28, 430,088,118.32 and 169,786,211.93

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Solution

The fourth proportional to 286,294,439.28, 430,088,118.32 and 169,786,211.93 is: 255,062,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,294,439.28 : 430,088,118.32 = 169,786,211.93 : x
  2. Step 2: Convert to fraction form
    286,294,439.28/430,088,118.32 = 169,786,211.93/x
  3. Step 3: Cross multiply
    286,294,439.28x = 430,088,118.32 × 169,786,211.93
  4. Step 4: Simplify right side
    286,294,439.28x = 73,023,032,406,749,840
  5. Step 5: Solve for x
    x = 73,023,032,406,749,840/286,294,439.28
  6. Step 6: Final answer
    x = 255,062,699.05

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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.