Home / 51,759,945.40-77,639,918.10-39,816,009.40

Finding the Fourth Proportional to 51,759,945.40, 77,639,918.10 and 39,816,009.40

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Solution

The fourth proportional to 51,759,945.40, 77,639,918.10 and 39,816,009.40 is: 59,724,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,759,945.40 : 77,639,918.10 = 39,816,009.40 : x
  2. Step 2: Convert to fraction form
    51,759,945.40/77,639,918.10 = 39,816,009.40/x
  3. Step 3: Cross multiply
    51,759,945.40x = 77,639,918.10 × 39,816,009.40
  4. Step 4: Simplify right side
    51,759,945.40x = 3,091,311,708,884,830
  5. Step 5: Solve for x
    x = 3,091,311,708,884,830/51,759,945.40
  6. Step 6: Final answer
    x = 59,724,014.10

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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.