Home / 79,856,543.60-119,784,426.60-31,300,089.20

Finding the Fourth Proportional to 79,856,543.60, 119,784,426.60 and 31,300,089.20

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Solution

The fourth proportional to 79,856,543.60, 119,784,426.60 and 31,300,089.20 is: 46,949,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,856,543.60 : 119,784,426.60 = 31,300,089.20 : x
  2. Step 2: Convert to fraction form
    79,856,543.60/119,784,426.60 = 31,300,089.20/x
  3. Step 3: Cross multiply
    79,856,543.60x = 119,784,426.60 × 31,300,089.20
  4. Step 4: Simplify right side
    79,856,543.60x = 3,749,263,237,350,852.50
  5. Step 5: Solve for x
    x = 3,749,263,237,350,852.50/79,856,543.60
  6. Step 6: Final answer
    x = 46,949,981.41

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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.