Home / 170,829,648.12-256,653,267.48-109,538,889.28

Finding the Fourth Proportional to 170,829,648.12, 256,653,267.48 and 109,538,889.28

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Solution

The fourth proportional to 170,829,648.12, 256,653,267.48 and 109,538,889.28 is: 164,570,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829,648.12 : 256,653,267.48 = 109,538,889.28 : x
  2. Step 2: Convert to fraction form
    170,829,648.12/256,653,267.48 = 109,538,889.28/x
  3. Step 3: Cross multiply
    170,829,648.12x = 256,653,267.48 × 109,538,889.28
  4. Step 4: Simplify right side
    170,829,648.12x = 28,113,513,849,841,944
  5. Step 5: Solve for x
    x = 28,113,513,849,841,944/170,829,648.12
  6. Step 6: Final answer
    x = 164,570,460.45

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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.