Home / 125,433,907.80-188,150,861.70-99,605,875.20

Finding the Fourth Proportional to 125,433,907.80, 188,150,861.70 and 99,605,875.20

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Solution

The fourth proportional to 125,433,907.80, 188,150,861.70 and 99,605,875.20 is: 149,408,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,433,907.80 : 188,150,861.70 = 99,605,875.20 : x
  2. Step 2: Convert to fraction form
    125,433,907.80/188,150,861.70 = 99,605,875.20/x
  3. Step 3: Cross multiply
    125,433,907.80x = 188,150,861.70 × 99,605,875.20
  4. Step 4: Simplify right side
    125,433,907.80x = 18,740,931,249,262,660
  5. Step 5: Solve for x
    x = 18,740,931,249,262,660/125,433,907.80
  6. Step 6: Final answer
    x = 149,408,812.80

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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.