Home / 78,389,973.96-117,577,362.60-23,803,039.32

Finding the Fourth Proportional to 78,389,973.96, 117,577,362.60 and 23,803,039.32

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Solution

The fourth proportional to 78,389,973.96, 117,577,362.60 and 23,803,039.32 is: 35,702,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,973.96 : 117,577,362.60 = 23,803,039.32 : x
  2. Step 2: Convert to fraction form
    78,389,973.96/117,577,362.60 = 23,803,039.32/x
  3. Step 3: Cross multiply
    78,389,973.96x = 117,577,362.60 × 23,803,039.32
  4. Step 4: Simplify right side
    78,389,973.96x = 2,798,698,585,109,697.50
  5. Step 5: Solve for x
    x = 2,798,698,585,109,697.50/78,389,973.96
  6. Step 6: Final answer
    x = 35,702,251.75

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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.