Home / 201,436,222.60-302,303,633.10-147,688,510.60

Finding the Fourth Proportional to 201,436,222.60, 302,303,633.10 and 147,688,510.60

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Solution

The fourth proportional to 201,436,222.60, 302,303,633.10 and 147,688,510.60 is: 221,642,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,436,222.60 : 302,303,633.10 = 147,688,510.60 : x
  2. Step 2: Convert to fraction form
    201,436,222.60/302,303,633.10 = 147,688,510.60/x
  3. Step 3: Cross multiply
    201,436,222.60x = 302,303,633.10 × 147,688,510.60
  4. Step 4: Simplify right side
    201,436,222.60x = 44,646,773,321,507,864
  5. Step 5: Solve for x
    x = 44,646,773,321,507,864/201,436,222.60
  6. Step 6: Final answer
    x = 221,642,228.72

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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.