Home / 77,352,638.37-106,748,660.04-42,546,242.16

Finding the Fourth Proportional to 77,352,638.37, 106,748,660.04 and 42,546,242.16

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Solution

The fourth proportional to 77,352,638.37, 106,748,660.04 and 42,546,242.16 is: 58,714,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,352,638.37 : 106,748,660.04 = 42,546,242.16 : x
  2. Step 2: Convert to fraction form
    77,352,638.37/106,748,660.04 = 42,546,242.16/x
  3. Step 3: Cross multiply
    77,352,638.37x = 106,748,660.04 × 42,546,242.16
  4. Step 4: Simplify right side
    77,352,638.37x = 4,541,754,340,317,355
  5. Step 5: Solve for x
    x = 4,541,754,340,317,355/77,352,638.37
  6. Step 6: Final answer
    x = 58,714,924.74

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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.