Home / 78,184,636-107,893,362.65-43,376,579.10

Finding the Fourth Proportional to 78,184,636, 107,893,362.65 and 43,376,579.10

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Solution

The fourth proportional to 78,184,636, 107,893,362.65 and 43,376,579.10 is: 59,858,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,184,636 : 107,893,362.65 = 43,376,579.10 : x
  2. Step 2: Convert to fraction form
    78,184,636/107,893,362.65 = 43,376,579.10/x
  3. Step 3: Cross multiply
    78,184,636x = 107,893,362.65 × 43,376,579.10
  4. Step 4: Simplify right side
    78,184,636x = 4,680,044,979,352,711
  5. Step 5: Solve for x
    x = 4,680,044,979,352,711/78,184,636
  6. Step 6: Final answer
    x = 59,858,883.01

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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.