Home / 145,163,781.60-217,745,672.40-96,790,840.80

Finding the Fourth Proportional to 145,163,781.60, 217,745,672.40 and 96,790,840.80

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Solution

The fourth proportional to 145,163,781.60, 217,745,672.40 and 96,790,840.80 is: 145,186,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,781.60 : 217,745,672.40 = 96,790,840.80 : x
  2. Step 2: Convert to fraction form
    145,163,781.60/217,745,672.40 = 96,790,840.80/x
  3. Step 3: Cross multiply
    145,163,781.60x = 217,745,672.40 × 96,790,840.80
  4. Step 4: Simplify right side
    145,163,781.60x = 21,075,786,712,157,352
  5. Step 5: Solve for x
    x = 21,075,786,712,157,352/145,163,781.60
  6. Step 6: Final answer
    x = 145,186,261.20

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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.