Home / 194,020,153.80-291,030,230.70-125,145,400.20

Finding the Fourth Proportional to 194,020,153.80, 291,030,230.70 and 125,145,400.20

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Solution

The fourth proportional to 194,020,153.80, 291,030,230.70 and 125,145,400.20 is: 187,718,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,020,153.80 : 291,030,230.70 = 125,145,400.20 : x
  2. Step 2: Convert to fraction form
    194,020,153.80/291,030,230.70 = 125,145,400.20/x
  3. Step 3: Cross multiply
    194,020,153.80x = 291,030,230.70 × 125,145,400.20
  4. Step 4: Simplify right side
    194,020,153.80x = 36,421,094,691,249,824
  5. Step 5: Solve for x
    x = 36,421,094,691,249,824/194,020,153.80
  6. Step 6: Final answer
    x = 187,718,100.30

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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.