Home / 148,860,638.40-223,357,312.80-68,040,004.80

Finding the Fourth Proportional to 148,860,638.40, 223,357,312.80 and 68,040,004.80

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Solution

The fourth proportional to 148,860,638.40, 223,357,312.80 and 68,040,004.80 is: 102,090,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,860,638.40 : 223,357,312.80 = 68,040,004.80 : x
  2. Step 2: Convert to fraction form
    148,860,638.40/223,357,312.80 = 68,040,004.80/x
  3. Step 3: Cross multiply
    148,860,638.40x = 223,357,312.80 × 68,040,004.80
  4. Step 4: Simplify right side
    148,860,638.40x = 15,197,232,635,027,102
  5. Step 5: Solve for x
    x = 15,197,232,635,027,102/148,860,638.40
  6. Step 6: Final answer
    x = 102,090,336.29

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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.