Home / 115,380,848.66-159,225,498.09-63,169,870.55

Finding the Fourth Proportional to 115,380,848.66, 159,225,498.09 and 63,169,870.55

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Solution

The fourth proportional to 115,380,848.66, 159,225,498.09 and 63,169,870.55 is: 87,174,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,380,848.66 : 159,225,498.09 = 63,169,870.55 : x
  2. Step 2: Convert to fraction form
    115,380,848.66/159,225,498.09 = 63,169,870.55/x
  3. Step 3: Cross multiply
    115,380,848.66x = 159,225,498.09 × 63,169,870.55
  4. Step 4: Simplify right side
    115,380,848.66x = 10,058,254,101,808,446
  5. Step 5: Solve for x
    x = 10,058,254,101,808,446/115,380,848.66
  6. Step 6: Final answer
    x = 87,174,381.36

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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.