Home / 192,009,665.40-288,014,498.10-48,402,497.40

Finding the Fourth Proportional to 192,009,665.40, 288,014,498.10 and 48,402,497.40

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Solution

The fourth proportional to 192,009,665.40, 288,014,498.10 and 48,402,497.40 is: 72,603,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,009,665.40 : 288,014,498.10 = 48,402,497.40 : x
  2. Step 2: Convert to fraction form
    192,009,665.40/288,014,498.10 = 48,402,497.40/x
  3. Step 3: Cross multiply
    192,009,665.40x = 288,014,498.10 × 48,402,497.40
  4. Step 4: Simplify right side
    192,009,665.40x = 13,940,620,995,447,556
  5. Step 5: Solve for x
    x = 13,940,620,995,447,556/192,009,665.40
  6. Step 6: Final answer
    x = 72,603,746.10

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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.