Home / 214,601,973.60-321,944,950.80-91,780,053.60

Finding the Fourth Proportional to 214,601,973.60, 321,944,950.80 and 91,780,053.60

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Solution

The fourth proportional to 214,601,973.60, 321,944,950.80 and 91,780,053.60 is: 137,688,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,601,973.60 : 321,944,950.80 = 91,780,053.60 : x
  2. Step 2: Convert to fraction form
    214,601,973.60/321,944,950.80 = 91,780,053.60/x
  3. Step 3: Cross multiply
    214,601,973.60x = 321,944,950.80 × 91,780,053.60
  4. Step 4: Simplify right side
    214,601,973.60x = 29,548,124,840,673,364
  5. Step 5: Solve for x
    x = 29,548,124,840,673,364/214,601,973.60
  6. Step 6: Final answer
    x = 137,688,038.67

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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.