Home / 77,265,209.42-106,626,837.66-42,457,908.86

Finding the Fourth Proportional to 77,265,209.42, 106,626,837.66 and 42,457,908.86

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Solution

The fourth proportional to 77,265,209.42, 106,626,837.66 and 42,457,908.86 is: 58,592,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,265,209.42 : 106,626,837.66 = 42,457,908.86 : x
  2. Step 2: Convert to fraction form
    77,265,209.42/106,626,837.66 = 42,457,908.86/x
  3. Step 3: Cross multiply
    77,265,209.42x = 106,626,837.66 × 42,457,908.86
  4. Step 4: Simplify right side
    77,265,209.42x = 4,527,152,555,398,295
  5. Step 5: Solve for x
    x = 4,527,152,555,398,295/77,265,209.42
  6. Step 6: Final answer
    x = 58,592,380.57

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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.