Home / 152,872,282.62-210,966,176.96-86,791,432.46

Finding the Fourth Proportional to 152,872,282.62, 210,966,176.96 and 86,791,432.46

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Solution

The fourth proportional to 152,872,282.62, 210,966,176.96 and 86,791,432.46 is: 119,773,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,872,282.62 : 210,966,176.96 = 86,791,432.46 : x
  2. Step 2: Convert to fraction form
    152,872,282.62/210,966,176.96 = 86,791,432.46/x
  3. Step 3: Cross multiply
    152,872,282.62x = 210,966,176.96 × 86,791,432.46
  4. Step 4: Simplify right side
    152,872,282.62x = 18,310,056,697,479,460
  5. Step 5: Solve for x
    x = 18,310,056,697,479,460/152,872,282.62
  6. Step 6: Final answer
    x = 119,773,554.65

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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.