Home / 211,772,953.65-292,253,772.47-117,691,065.30

Finding the Fourth Proportional to 211,772,953.65, 292,253,772.47 and 117,691,065.30

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Solution

The fourth proportional to 211,772,953.65, 292,253,772.47 and 117,691,065.30 is: 162,417,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,772,953.65 : 292,253,772.47 = 117,691,065.30 : x
  2. Step 2: Convert to fraction form
    211,772,953.65/292,253,772.47 = 117,691,065.30/x
  3. Step 3: Cross multiply
    211,772,953.65x = 292,253,772.47 × 117,691,065.30
  4. Step 4: Simplify right side
    211,772,953.65x = 34,395,657,819,938,116
  5. Step 5: Solve for x
    x = 34,395,657,819,938,116/211,772,953.65
  6. Step 6: Final answer
    x = 162,417,613.90

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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.