Home / 198,528,086.70-297,792,130.05-147,509,750.70

Finding the Fourth Proportional to 198,528,086.70, 297,792,130.05 and 147,509,750.70

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Solution

The fourth proportional to 198,528,086.70, 297,792,130.05 and 147,509,750.70 is: 221,264,626.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,528,086.70 : 297,792,130.05 = 147,509,750.70 : x
  2. Step 2: Convert to fraction form
    198,528,086.70/297,792,130.05 = 147,509,750.70/x
  3. Step 3: Cross multiply
    198,528,086.70x = 297,792,130.05 × 147,509,750.70
  4. Step 4: Simplify right side
    198,528,086.70x = 43,927,242,864,097,480
  5. Step 5: Solve for x
    x = 43,927,242,864,097,480/198,528,086.70
  6. Step 6: Final answer
    x = 221,264,626.05

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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.