Home / 113,221,808.40-169,658,530.20-84,332,413.20

Finding the Fourth Proportional to 113,221,808.40, 169,658,530.20 and 84,332,413.20

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Solution

The fourth proportional to 113,221,808.40, 169,658,530.20 and 84,332,413.20 is: 126,368,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,221,808.40 : 169,658,530.20 = 84,332,413.20 : x
  2. Step 2: Convert to fraction form
    113,221,808.40/169,658,530.20 = 84,332,413.20/x
  3. Step 3: Cross multiply
    113,221,808.40x = 169,658,530.20 × 84,332,413.20
  4. Step 4: Simplify right side
    113,221,808.40x = 14,307,713,271,731,078
  5. Step 5: Solve for x
    x = 14,307,713,271,731,078/113,221,808.40
  6. Step 6: Final answer
    x = 126,368,881.35

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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.