Home / 78,633,271.80-117,921,914.10-35,523,127.80

Finding the Fourth Proportional to 78,633,271.80, 117,921,914.10 and 35,523,127.80

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Solution

The fourth proportional to 78,633,271.80, 117,921,914.10 and 35,523,127.80 is: 53,272,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,633,271.80 : 117,921,914.10 = 35,523,127.80 : x
  2. Step 2: Convert to fraction form
    78,633,271.80/117,921,914.10 = 35,523,127.80/x
  3. Step 3: Cross multiply
    78,633,271.80x = 117,921,914.10 × 35,523,127.80
  4. Step 4: Simplify right side
    78,633,271.80x = 4,188,955,224,994,921.50
  5. Step 5: Solve for x
    x = 4,188,955,224,994,921.50/78,633,271.80
  6. Step 6: Final answer
    x = 53,272,045.40

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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.