Home / 77,384,948.32-106,789,026.54-42,577,662.34

Finding the Fourth Proportional to 77,384,948.32, 106,789,026.54 and 42,577,662.34

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Solution

The fourth proportional to 77,384,948.32, 106,789,026.54 and 42,577,662.34 is: 58,755,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,384,948.32 : 106,789,026.54 = 42,577,662.34 : x
  2. Step 2: Convert to fraction form
    77,384,948.32/106,789,026.54 = 42,577,662.34/x
  3. Step 3: Cross multiply
    77,384,948.32x = 106,789,026.54 × 42,577,662.34
  4. Step 4: Simplify right side
    77,384,948.32x = 4,546,827,113,637,419
  5. Step 5: Solve for x
    x = 4,546,827,113,637,419/77,384,948.32
  6. Step 6: Final answer
    x = 58,755,962.40

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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.