Home / 130,696,009.72-196,065,309.90-38,589,058.48

Finding the Fourth Proportional to 130,696,009.72, 196,065,309.90 and 38,589,058.48

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Solution

The fourth proportional to 130,696,009.72, 196,065,309.90 and 38,589,058.48 is: 57,889,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,696,009.72 : 196,065,309.90 = 38,589,058.48 : x
  2. Step 2: Convert to fraction form
    130,696,009.72/196,065,309.90 = 38,589,058.48/x
  3. Step 3: Cross multiply
    130,696,009.72x = 196,065,309.90 × 38,589,058.48
  4. Step 4: Simplify right side
    130,696,009.72x = 7,565,975,709,630,423
  5. Step 5: Solve for x
    x = 7,565,975,709,630,423/130,696,009.72
  6. Step 6: Final answer
    x = 57,889,875.34

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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.