Home / 537,242,187.20-805,863,280.80-149,064,267.20

Finding the Fourth Proportional to 537,242,187.20, 805,863,280.80 and 149,064,267.20

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Solution

The fourth proportional to 537,242,187.20, 805,863,280.80 and 149,064,267.20 is: 223,596,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,242,187.20 : 805,863,280.80 = 149,064,267.20 : x
  2. Step 2: Convert to fraction form
    537,242,187.20/805,863,280.80 = 149,064,267.20/x
  3. Step 3: Cross multiply
    537,242,187.20x = 805,863,280.80 × 149,064,267.20
  4. Step 4: Simplify right side
    537,242,187.20x = 120,125,419,415,839,808
  5. Step 5: Solve for x
    x = 120,125,419,415,839,808/537,242,187.20
  6. Step 6: Final answer
    x = 223,596,400.80

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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.