Home / 156,009,643.80-234,014,465.70-75,388,075.80

Finding the Fourth Proportional to 156,009,643.80, 234,014,465.70 and 75,388,075.80

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Solution

The fourth proportional to 156,009,643.80, 234,014,465.70 and 75,388,075.80 is: 113,082,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,009,643.80 : 234,014,465.70 = 75,388,075.80 : x
  2. Step 2: Convert to fraction form
    156,009,643.80/234,014,465.70 = 75,388,075.80/x
  3. Step 3: Cross multiply
    156,009,643.80x = 234,014,465.70 × 75,388,075.80
  4. Step 4: Simplify right side
    156,009,643.80x = 17,641,900,278,488,098
  5. Step 5: Solve for x
    x = 17,641,900,278,488,098/156,009,643.80
  6. Step 6: Final answer
    x = 113,082,113.70

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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.