Home / 51,409,420.86-77,126,894.73-25,513,875.84

Finding the Fourth Proportional to 51,409,420.86, 77,126,894.73 and 25,513,875.84

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Solution

The fourth proportional to 51,409,420.86, 77,126,894.73 and 25,513,875.84 is: 38,277,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,409,420.86 : 77,126,894.73 = 25,513,875.84 : x
  2. Step 2: Convert to fraction form
    51,409,420.86/77,126,894.73 = 25,513,875.84/x
  3. Step 3: Cross multiply
    51,409,420.86x = 77,126,894.73 × 25,513,875.84
  4. Step 4: Simplify right side
    51,409,420.86x = 1,967,806,016,065,970.50
  5. Step 5: Solve for x
    x = 1,967,806,016,065,970.50/51,409,420.86
  6. Step 6: Final answer
    x = 38,277,148.10

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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.