Home / 77,265,219.42-106,626,851.46-42,457,918.86

Finding the Fourth Proportional to 77,265,219.42, 106,626,851.46 and 42,457,918.86

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Solution

The fourth proportional to 77,265,219.42, 106,626,851.46 and 42,457,918.86 is: 58,592,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,265,219.42 : 106,626,851.46 = 42,457,918.86 : x
  2. Step 2: Convert to fraction form
    77,265,219.42/106,626,851.46 = 42,457,918.86/x
  3. Step 3: Cross multiply
    77,265,219.42x = 106,626,851.46 × 42,457,918.86
  4. Step 4: Simplify right side
    77,265,219.42x = 4,527,154,207,585,952
  5. Step 5: Solve for x
    x = 4,527,154,207,585,952/77,265,219.42
  6. Step 6: Final answer
    x = 58,592,394.37

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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.