Home / 140,555,457.20-210,833,185.80-83,018,111.60

Finding the Fourth Proportional to 140,555,457.20, 210,833,185.80 and 83,018,111.60

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Solution

The fourth proportional to 140,555,457.20, 210,833,185.80 and 83,018,111.60 is: 124,527,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,555,457.20 : 210,833,185.80 = 83,018,111.60 : x
  2. Step 2: Convert to fraction form
    140,555,457.20/210,833,185.80 = 83,018,111.60/x
  3. Step 3: Cross multiply
    140,555,457.20x = 210,833,185.80 × 83,018,111.60
  4. Step 4: Simplify right side
    140,555,457.20x = 17,502,972,947,727,936
  5. Step 5: Solve for x
    x = 17,502,972,947,727,936/140,555,457.20
  6. Step 6: Final answer
    x = 124,527,167.40

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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.