Home / 130,860,105.04-180,562,073.16-78,630,083.56

Finding the Fourth Proportional to 130,860,105.04, 180,562,073.16 and 78,630,083.56

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Solution

The fourth proportional to 130,860,105.04, 180,562,073.16 and 78,630,083.56 is: 108,494,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,860,105.04 : 180,562,073.16 = 78,630,083.56 : x
  2. Step 2: Convert to fraction form
    130,860,105.04/180,562,073.16 = 78,630,083.56/x
  3. Step 3: Cross multiply
    130,860,105.04x = 180,562,073.16 × 78,630,083.56
  4. Step 4: Simplify right side
    130,860,105.04x = 14,197,610,900,337,634
  5. Step 5: Solve for x
    x = 14,197,610,900,337,634/130,860,105.04
  6. Step 6: Final answer
    x = 108,494,570.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.