Home / 43,602,804.40-65,404,206.60-42,707,009.20

Finding the Fourth Proportional to 43,602,804.40, 65,404,206.60 and 42,707,009.20

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Solution

The fourth proportional to 43,602,804.40, 65,404,206.60 and 42,707,009.20 is: 64,060,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,602,804.40 : 65,404,206.60 = 42,707,009.20 : x
  2. Step 2: Convert to fraction form
    43,602,804.40/65,404,206.60 = 42,707,009.20/x
  3. Step 3: Cross multiply
    43,602,804.40x = 65,404,206.60 × 42,707,009.20
  4. Step 4: Simplify right side
    43,602,804.40x = 2,793,218,052,984,901
  5. Step 5: Solve for x
    x = 2,793,218,052,984,901/43,602,804.40
  6. Step 6: Final answer
    x = 64,060,513.80

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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.