Home / 116,487,000.80-174,730,501.20-78,166,872.80

Finding the Fourth Proportional to 116,487,000.80, 174,730,501.20 and 78,166,872.80

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Solution

The fourth proportional to 116,487,000.80, 174,730,501.20 and 78,166,872.80 is: 117,250,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,487,000.80 : 174,730,501.20 = 78,166,872.80 : x
  2. Step 2: Convert to fraction form
    116,487,000.80/174,730,501.20 = 78,166,872.80/x
  3. Step 3: Cross multiply
    116,487,000.80x = 174,730,501.20 × 78,166,872.80
  4. Step 4: Simplify right side
    116,487,000.80x = 13,658,136,861,580,646
  5. Step 5: Solve for x
    x = 13,658,136,861,580,646/116,487,000.80
  6. Step 6: Final answer
    x = 117,250,309.20

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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.