Home / 211,047,460.65-291,245,274.81-118,228,621.86

Finding the Fourth Proportional to 211,047,460.65, 291,245,274.81 and 118,228,621.86

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Solution

The fourth proportional to 211,047,460.65, 291,245,274.81 and 118,228,621.86 is: 163,155,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,047,460.65 : 291,245,274.81 = 118,228,621.86 : x
  2. Step 2: Convert to fraction form
    211,047,460.65/291,245,274.81 = 118,228,621.86/x
  3. Step 3: Cross multiply
    211,047,460.65x = 291,245,274.81 × 118,228,621.86
  4. Step 4: Simplify right side
    211,047,460.65x = 34,433,527,464,023,272
  5. Step 5: Solve for x
    x = 34,433,527,464,023,272/211,047,460.65
  6. Step 6: Final answer
    x = 163,155,374.43

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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.