Home / 79,638,310,007.32-109,900,911,897.66-43,016,425,172.02

Finding the Fourth Proportional to 79,638,310,007.32, 109,900,911,897.66 and 43,016,425,172.02

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Solution

The fourth proportional to 79,638,310,007.32, 109,900,911,897.66 and 43,016,425,172.02 is: 59,362,690,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,638,310,007.32 : 109,900,911,897.66 = 43,016,425,172.02 : x
  2. Step 2: Convert to fraction form
    79,638,310,007.32/109,900,911,897.66 = 43,016,425,172.02/x
  3. Step 3: Cross multiply
    79,638,310,007.32x = 109,900,911,897.66 × 43,016,425,172.02
  4. Step 4: Simplify right side
    79,638,310,007.32x = 4,727,544,352,982,453,714,944
  5. Step 5: Solve for x
    x = 4,727,544,352,982,453,714,944/79,638,310,007.32
  6. Step 6: Final answer
    x = 59,362,690,551.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.