Home / 211,411,236.87-317,014,331.18-124,001,316.86

Finding the Fourth Proportional to 211,411,236.87, 317,014,331.18 and 124,001,316.86

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Solution

The fourth proportional to 211,411,236.87, 317,014,331.18 and 124,001,316.86 is: 185,941,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,411,236.87 : 317,014,331.18 = 124,001,316.86 : x
  2. Step 2: Convert to fraction form
    211,411,236.87/317,014,331.18 = 124,001,316.86/x
  3. Step 3: Cross multiply
    211,411,236.87x = 317,014,331.18 × 124,001,316.86
  4. Step 4: Simplify right side
    211,411,236.87x = 39,310,194,527,607,080
  5. Step 5: Solve for x
    x = 39,310,194,527,607,080/211,411,236.87
  6. Step 6: Final answer
    x = 185,941,840.70

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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.