Home / 308,853,458.58-463,279,816.02-78,822,567.84

Finding the Fourth Proportional to 308,853,458.58, 463,279,816.02 and 78,822,567.84

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Solution

The fourth proportional to 308,853,458.58, 463,279,816.02 and 78,822,567.84 is: 118,233,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,458.58 : 463,279,816.02 = 78,822,567.84 : x
  2. Step 2: Convert to fraction form
    308,853,458.58/463,279,816.02 = 78,822,567.84/x
  3. Step 3: Cross multiply
    308,853,458.58x = 463,279,816.02 × 78,822,567.84
  4. Step 4: Simplify right side
    308,853,458.58x = 36,516,904,727,139,168
  5. Step 5: Solve for x
    x = 36,516,904,727,139,168/308,853,458.58
  6. Step 6: Final answer
    x = 118,233,756.86

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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.