Home / 76,477,688.30-105,539,225.06-41,670,378.74

Finding the Fourth Proportional to 76,477,688.30, 105,539,225.06 and 41,670,378.74

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Solution

The fourth proportional to 76,477,688.30, 105,539,225.06 and 41,670,378.74 is: 57,505,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477,688.30 : 105,539,225.06 = 41,670,378.74 : x
  2. Step 2: Convert to fraction form
    76,477,688.30/105,539,225.06 = 41,670,378.74/x
  3. Step 3: Cross multiply
    76,477,688.30x = 105,539,225.06 × 41,670,378.74
  4. Step 4: Simplify right side
    76,477,688.30x = 4,397,859,480,176,299.50
  5. Step 5: Solve for x
    x = 4,397,859,480,176,299.50/76,477,688.30
  6. Step 6: Final answer
    x = 57,505,130.95

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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.