Home / 51,980,765.84-71,710,939.40-31,342,746.68

Finding the Fourth Proportional to 51,980,765.84, 71,710,939.40 and 31,342,746.68

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Solution

The fourth proportional to 51,980,765.84, 71,710,939.40 and 31,342,746.68 is: 43,239,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,980,765.84 : 71,710,939.40 = 31,342,746.68 : x
  2. Step 2: Convert to fraction form
    51,980,765.84/71,710,939.40 = 31,342,746.68/x
  3. Step 3: Cross multiply
    51,980,765.84x = 71,710,939.40 × 31,342,746.68
  4. Step 4: Simplify right side
    51,980,765.84x = 2,247,617,807,799,031.25
  5. Step 5: Solve for x
    x = 2,247,617,807,799,031.25/51,980,765.84
  6. Step 6: Final answer
    x = 43,239,413.11

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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.