Home / 140,460,987.30-210,461,448.16-74,812,449.93

Finding the Fourth Proportional to 140,460,987.30, 210,461,448.16 and 74,812,449.93

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Solution

The fourth proportional to 140,460,987.30, 210,461,448.16 and 74,812,449.93 is: 112,096,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,460,987.30 : 210,461,448.16 = 74,812,449.93 : x
  2. Step 2: Convert to fraction form
    140,460,987.30/210,461,448.16 = 74,812,449.93/x
  3. Step 3: Cross multiply
    140,460,987.30x = 210,461,448.16 × 74,812,449.93
  4. Step 4: Simplify right side
    140,460,987.30x = 15,745,136,552,665,292
  5. Step 5: Solve for x
    x = 15,745,136,552,665,292/140,460,987.30
  6. Step 6: Final answer
    x = 112,096,154.64

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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.