Home / 190,026,150.30-285,039,225.45-117,006,156.90

Finding the Fourth Proportional to 190,026,150.30, 285,039,225.45 and 117,006,156.90

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Solution

The fourth proportional to 190,026,150.30, 285,039,225.45 and 117,006,156.90 is: 175,509,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,026,150.30 : 285,039,225.45 = 117,006,156.90 : x
  2. Step 2: Convert to fraction form
    190,026,150.30/285,039,225.45 = 117,006,156.90/x
  3. Step 3: Cross multiply
    190,026,150.30x = 285,039,225.45 × 117,006,156.90
  4. Step 4: Simplify right side
    190,026,150.30x = 33,351,344,335,657,172
  5. Step 5: Solve for x
    x = 33,351,344,335,657,172/190,026,150.30
  6. Step 6: Final answer
    x = 175,509,235.35

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1.5x scale

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.