Home / 78,389,693.17-117,576,941.75-23,802,758.50

Finding the Fourth Proportional to 78,389,693.17, 117,576,941.75 and 23,802,758.50

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Solution

The fourth proportional to 78,389,693.17, 117,576,941.75 and 23,802,758.50 is: 35,701,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,693.17 : 117,576,941.75 = 23,802,758.50 : x
  2. Step 2: Convert to fraction form
    78,389,693.17/117,576,941.75 = 23,802,758.50/x
  3. Step 3: Cross multiply
    78,389,693.17x = 117,576,941.75 × 23,802,758.50
  4. Step 4: Simplify right side
    78,389,693.17x = 2,798,655,549,643,817.50
  5. Step 5: Solve for x
    x = 2,798,655,549,643,817.50/78,389,693.17
  6. Step 6: Final answer
    x = 35,701,830.64

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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.