Home / 58,087,987.60-87,150,643.80-38,940,365.20

Finding the Fourth Proportional to 58,087,987.60, 87,150,643.80 and 38,940,365.20

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Solution

The fourth proportional to 58,087,987.60, 87,150,643.80 and 38,940,365.20 is: 58,423,058.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,087,987.60 : 87,150,643.80 = 38,940,365.20 : x
  2. Step 2: Convert to fraction form
    58,087,987.60/87,150,643.80 = 38,940,365.20/x
  3. Step 3: Cross multiply
    58,087,987.60x = 87,150,643.80 × 38,940,365.20
  4. Step 4: Simplify right side
    58,087,987.60x = 3,393,677,896,987,116
  5. Step 5: Solve for x
    x = 3,393,677,896,987,116/58,087,987.60
  6. Step 6: Final answer
    x = 58,423,058.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.