Home / 79,298,711,056.96-118,913,161,546.08-42,024,969,879.36

Finding the Fourth Proportional to 79,298,711,056.96, 118,913,161,546.08 and 42,024,969,879.36

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Solution

The fourth proportional to 79,298,711,056.96, 118,913,161,546.08 and 42,024,969,879.36 is: 63,018,956,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,298,711,056.96 : 118,913,161,546.08 = 42,024,969,879.36 : x
  2. Step 2: Convert to fraction form
    79,298,711,056.96/118,913,161,546.08 = 42,024,969,879.36/x
  3. Step 3: Cross multiply
    79,298,711,056.96x = 118,913,161,546.08 × 42,024,969,879.36
  4. Step 4: Simplify right side
    79,298,711,056.96x = 4,997,322,032,233,482,027,008
  5. Step 5: Solve for x
    x = 4,997,322,032,233,482,027,008/79,298,711,056.96
  6. Step 6: Final answer
    x = 63,018,956,621.43

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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.