Home / 145,219,534.75-200,402,962.06-80,029,438.75

Finding the Fourth Proportional to 145,219,534.75, 200,402,962.06 and 80,029,438.75

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Solution

The fourth proportional to 145,219,534.75, 200,402,962.06 and 80,029,438.75 is: 110,440,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,534.75 : 200,402,962.06 = 80,029,438.75 : x
  2. Step 2: Convert to fraction form
    145,219,534.75/200,402,962.06 = 80,029,438.75/x
  3. Step 3: Cross multiply
    145,219,534.75x = 200,402,962.06 × 80,029,438.75
  4. Step 4: Simplify right side
    145,219,534.75x = 16,038,136,577,499,344
  5. Step 5: Solve for x
    x = 16,038,136,577,499,344/145,219,534.75
  6. Step 6: Final answer
    x = 110,440,627.74

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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.