Home / 201,436,228.60-302,303,642.10-147,688,516.60

Finding the Fourth Proportional to 201,436,228.60, 302,303,642.10 and 147,688,516.60

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Solution

The fourth proportional to 201,436,228.60, 302,303,642.10 and 147,688,516.60 is: 221,642,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,436,228.60 : 302,303,642.10 = 147,688,516.60 : x
  2. Step 2: Convert to fraction form
    201,436,228.60/302,303,642.10 = 147,688,516.60/x
  3. Step 3: Cross multiply
    201,436,228.60x = 302,303,642.10 × 147,688,516.60
  4. Step 4: Simplify right side
    201,436,228.60x = 44,646,776,464,526,312
  5. Step 5: Solve for x
    x = 44,646,776,464,526,312/201,436,228.60
  6. Step 6: Final answer
    x = 221,642,237.72

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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.