Home / 192,009,678.40-288,014,517.60-48,402,510.40

Finding the Fourth Proportional to 192,009,678.40, 288,014,517.60 and 48,402,510.40

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Solution

The fourth proportional to 192,009,678.40, 288,014,517.60 and 48,402,510.40 is: 72,603,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,009,678.40 : 288,014,517.60 = 48,402,510.40 : x
  2. Step 2: Convert to fraction form
    192,009,678.40/288,014,517.60 = 48,402,510.40/x
  3. Step 3: Cross multiply
    192,009,678.40x = 288,014,517.60 × 48,402,510.40
  4. Step 4: Simplify right side
    192,009,678.40x = 13,940,625,683,484,984
  5. Step 5: Solve for x
    x = 13,940,625,683,484,984/192,009,678.40
  6. Step 6: Final answer
    x = 72,603,765.60

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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.