Home / 79,824,400.80-119,736,601.20-79,068,573.60

Finding the Fourth Proportional to 79,824,400.80, 119,736,601.20 and 79,068,573.60

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Solution

The fourth proportional to 79,824,400.80, 119,736,601.20 and 79,068,573.60 is: 118,602,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,824,400.80 : 119,736,601.20 = 79,068,573.60 : x
  2. Step 2: Convert to fraction form
    79,824,400.80/119,736,601.20 = 79,068,573.60/x
  3. Step 3: Cross multiply
    79,824,400.80x = 119,736,601.20 × 79,068,573.60
  4. Step 4: Simplify right side
    79,824,400.80x = 9,467,402,264,596,048
  5. Step 5: Solve for x
    x = 9,467,402,264,596,048/79,824,400.80
  6. Step 6: Final answer
    x = 118,602,860.40

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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.