Home / 140,412,170-210,646,981.28-48,283,943.02

Finding the Fourth Proportional to 140,412,170, 210,646,981.28 and 48,283,943.02

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Solution

The fourth proportional to 140,412,170, 210,646,981.28 and 48,283,943.02 is: 72,435,792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,412,170 : 210,646,981.28 = 48,283,943.02 : x
  2. Step 2: Convert to fraction form
    140,412,170/210,646,981.28 = 48,283,943.02/x
  3. Step 3: Cross multiply
    140,412,170x = 210,646,981.28 × 48,283,943.02
  4. Step 4: Simplify right side
    140,412,170x = 10,170,866,841,458,528
  5. Step 5: Solve for x
    x = 10,170,866,841,458,528/140,412,170
  6. Step 6: Final answer
    x = 72,435,792.72

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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.