Home / 170,829,721.51-256,653,375.39-109,538,962.67

Finding the Fourth Proportional to 170,829,721.51, 256,653,375.39 and 109,538,962.67

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Solution

The fourth proportional to 170,829,721.51, 256,653,375.39 and 109,538,962.67 is: 164,570,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829,721.51 : 256,653,375.39 = 109,538,962.67 : x
  2. Step 2: Convert to fraction form
    170,829,721.51/256,653,375.39 = 109,538,962.67/x
  3. Step 3: Cross multiply
    170,829,721.51x = 256,653,375.39 × 109,538,962.67
  4. Step 4: Simplify right side
    170,829,721.51x = 28,113,544,506,616,340
  5. Step 5: Solve for x
    x = 28,113,544,506,616,340/170,829,721.51
  6. Step 6: Final answer
    x = 164,570,569.21

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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.