Home / 201,436,029.10-302,303,342.85-147,688,317.10

Finding the Fourth Proportional to 201,436,029.10, 302,303,342.85 and 147,688,317.10

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Solution

The fourth proportional to 201,436,029.10, 302,303,342.85 and 147,688,317.10 is: 221,641,938.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,436,029.10 : 302,303,342.85 = 147,688,317.10 : x
  2. Step 2: Convert to fraction form
    201,436,029.10/302,303,342.85 = 147,688,317.10/x
  3. Step 3: Cross multiply
    201,436,029.10x = 302,303,342.85 × 147,688,317.10
  4. Step 4: Simplify right side
    201,436,029.10x = 44,646,671,959,220,816
  5. Step 5: Solve for x
    x = 44,646,671,959,220,816/201,436,029.10
  6. Step 6: Final answer
    x = 221,641,938.43

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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.