Home / 211,575,439.63-317,218,275.55-107,743,656.16

Finding the Fourth Proportional to 211,575,439.63, 317,218,275.55 and 107,743,656.16

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Solution

The fourth proportional to 211,575,439.63, 317,218,275.55 and 107,743,656.16 is: 161,541,702.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,575,439.63 : 317,218,275.55 = 107,743,656.16 : x
  2. Step 2: Convert to fraction form
    211,575,439.63/317,218,275.55 = 107,743,656.16/x
  3. Step 3: Cross multiply
    211,575,439.63x = 317,218,275.55 × 107,743,656.16
  4. Step 4: Simplify right side
    211,575,439.63x = 34,178,256,808,527,336
  5. Step 5: Solve for x
    x = 34,178,256,808,527,336/211,575,439.63
  6. Step 6: Final answer
    x = 161,541,702.89

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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.