Home / 78,335,721,401.00-117,526,636,011.93-25,275,759,140.12

Finding the Fourth Proportional to 78,335,721,401.00, 117,526,636,011.93 and 25,275,759,140.12

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Solution

The fourth proportional to 78,335,721,401.00, 117,526,636,011.93 and 25,275,759,140.12 is: 37,921,077,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,335,721,401.00 : 117,526,636,011.93 = 25,275,759,140.12 : x
  2. Step 2: Convert to fraction form
    78,335,721,401.00/117,526,636,011.93 = 25,275,759,140.12/x
  3. Step 3: Cross multiply
    78,335,721,401.00x = 117,526,636,011.93 × 25,275,759,140.12
  4. Step 4: Simplify right side
    78,335,721,401.00x = 2,970,574,944,386,448,621,568
  5. Step 5: Solve for x
    x = 2,970,574,944,386,448,621,568/78,335,721,401.00
  6. Step 6: Final answer
    x = 37,921,077,271.76

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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.