Home / 140,113,879.28-210,089,507.59-66,337,039.90

Finding the Fourth Proportional to 140,113,879.28, 210,089,507.59 and 66,337,039.90

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Solution

The fourth proportional to 140,113,879.28, 210,089,507.59 and 66,337,039.90 is: 99,467,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,113,879.28 : 210,089,507.59 = 66,337,039.90 : x
  2. Step 2: Convert to fraction form
    140,113,879.28/210,089,507.59 = 66,337,039.90/x
  3. Step 3: Cross multiply
    140,113,879.28x = 210,089,507.59 × 66,337,039.90
  4. Step 4: Simplify right side
    140,113,879.28x = 13,936,716,047,914,716
  5. Step 5: Solve for x
    x = 13,936,716,047,914,716/140,113,879.28
  6. Step 6: Final answer
    x = 99,467,062.93

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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.