Home / 79,130,804.40-118,724,200.20-76,331,444.40

Finding the Fourth Proportional to 79,130,804.40, 118,724,200.20 and 76,331,444.40

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Solution

The fourth proportional to 79,130,804.40, 118,724,200.20 and 76,331,444.40 is: 114,524,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,130,804.40 : 118,724,200.20 = 76,331,444.40 : x
  2. Step 2: Convert to fraction form
    79,130,804.40/118,724,200.20 = 76,331,444.40/x
  3. Step 3: Cross multiply
    79,130,804.40x = 118,724,200.20 × 76,331,444.40
  4. Step 4: Simplify right side
    79,130,804.40x = 9,062,389,686,500,770
  5. Step 5: Solve for x
    x = 9,062,389,686,500,770/79,130,804.40
  6. Step 6: Final answer
    x = 114,524,169.89

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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.