Home / 145,886,872.92-218,814,136.45-36,712,073.49

Finding the Fourth Proportional to 145,886,872.92, 218,814,136.45 and 36,712,073.49

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Solution

The fourth proportional to 145,886,872.92, 218,814,136.45 and 36,712,073.49 is: 55,064,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,886,872.92 : 218,814,136.45 = 36,712,073.49 : x
  2. Step 2: Convert to fraction form
    145,886,872.92/218,814,136.45 = 36,712,073.49/x
  3. Step 3: Cross multiply
    145,886,872.92x = 218,814,136.45 × 36,712,073.49
  4. Step 4: Simplify right side
    145,886,872.92x = 8,033,120,657,911,508
  5. Step 5: Solve for x
    x = 8,033,120,657,911,508/145,886,872.92
  6. Step 6: Final answer
    x = 55,064,040.36

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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.