Home / 130,032,031.92-195,058,662.12-65,302,547.28

Finding the Fourth Proportional to 130,032,031.92, 195,058,662.12 and 65,302,547.28

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Solution

The fourth proportional to 130,032,031.92, 195,058,662.12 and 65,302,547.28 is: 97,959,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,032,031.92 : 195,058,662.12 = 65,302,547.28 : x
  2. Step 2: Convert to fraction form
    130,032,031.92/195,058,662.12 = 65,302,547.28/x
  3. Step 3: Cross multiply
    130,032,031.92x = 195,058,662.12 × 65,302,547.28
  4. Step 4: Simplify right side
    130,032,031.92x = 12,737,827,505,464,846
  5. Step 5: Solve for x
    x = 12,737,827,505,464,846/130,032,031.92
  6. Step 6: Final answer
    x = 97,959,151.43

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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.