Home / 78,389,946.90-117,577,322.10-23,803,012.26

Finding the Fourth Proportional to 78,389,946.90, 117,577,322.10 and 23,803,012.26

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Solution

The fourth proportional to 78,389,946.90, 117,577,322.10 and 23,803,012.26 is: 35,702,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,946.90 : 117,577,322.10 = 23,803,012.26 : x
  2. Step 2: Convert to fraction form
    78,389,946.90/117,577,322.10 = 23,803,012.26/x
  3. Step 3: Cross multiply
    78,389,946.90x = 117,577,322.10 × 23,803,012.26
  4. Step 4: Simplify right side
    78,389,946.90x = 2,798,694,439,444,269
  5. Step 5: Solve for x
    x = 2,798,694,439,444,269/78,389,946.90
  6. Step 6: Final answer
    x = 35,702,211.19

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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.