Home / 71,740,831.20-107,611,246.80-47,081,968.80

Finding the Fourth Proportional to 71,740,831.20, 107,611,246.80 and 47,081,968.80

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Solution

The fourth proportional to 71,740,831.20, 107,611,246.80 and 47,081,968.80 is: 70,622,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,740,831.20 : 107,611,246.80 = 47,081,968.80 : x
  2. Step 2: Convert to fraction form
    71,740,831.20/107,611,246.80 = 47,081,968.80/x
  3. Step 3: Cross multiply
    71,740,831.20x = 107,611,246.80 × 47,081,968.80
  4. Step 4: Simplify right side
    71,740,831.20x = 5,066,549,364,366,699
  5. Step 5: Solve for x
    x = 5,066,549,364,366,699/71,740,831.20
  6. Step 6: Final answer
    x = 70,622,953.20

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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.