Home / 79,638,309,994.30-109,900,911,879.70-43,016,425,159.01

Finding the Fourth Proportional to 79,638,309,994.30, 109,900,911,879.70 and 43,016,425,159.01

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Solution

The fourth proportional to 79,638,309,994.30, 109,900,911,879.70 and 43,016,425,159.01 is: 59,362,690,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,638,309,994.30 : 109,900,911,879.70 = 43,016,425,159.01 : x
  2. Step 2: Convert to fraction form
    79,638,309,994.30/109,900,911,879.70 = 43,016,425,159.01/x
  3. Step 3: Cross multiply
    79,638,309,994.30x = 109,900,911,879.70 × 43,016,425,159.01
  4. Step 4: Simplify right side
    79,638,309,994.30x = 4,727,544,350,779,518,222,336
  5. Step 5: Solve for x
    x = 4,727,544,350,779,518,222,336/79,638,309,994.30
  6. Step 6: Final answer
    x = 59,362,690,533.21

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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.