Home / 78,130,835.07-117,196,191.10-23,543,421.23

Finding the Fourth Proportional to 78,130,835.07, 117,196,191.10 and 23,543,421.23

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Solution

The fourth proportional to 78,130,835.07, 117,196,191.10 and 23,543,421.23 is: 35,315,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,130,835.07 : 117,196,191.10 = 23,543,421.23 : x
  2. Step 2: Convert to fraction form
    78,130,835.07/117,196,191.10 = 23,543,421.23/x
  3. Step 3: Cross multiply
    78,130,835.07x = 117,196,191.10 × 23,543,421.23
  4. Step 4: Simplify right side
    78,130,835.07x = 2,759,199,293,618,877
  5. Step 5: Solve for x
    x = 2,759,199,293,618,877/78,130,835.07
  6. Step 6: Final answer
    x = 35,315,113.31

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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.