Home / 159,883,321.20-239,824,981.80-57,657,692.40

Finding the Fourth Proportional to 159,883,321.20, 239,824,981.80 and 57,657,692.40

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Solution

The fourth proportional to 159,883,321.20, 239,824,981.80 and 57,657,692.40 is: 86,486,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,883,321.20 : 239,824,981.80 = 57,657,692.40 : x
  2. Step 2: Convert to fraction form
    159,883,321.20/239,824,981.80 = 57,657,692.40/x
  3. Step 3: Cross multiply
    159,883,321.20x = 239,824,981.80 × 57,657,692.40
  4. Step 4: Simplify right side
    159,883,321.20x = 13,827,755,030,459,998
  5. Step 5: Solve for x
    x = 13,827,755,030,459,998/159,883,321.20
  6. Step 6: Final answer
    x = 86,486,538.60

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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.