Home / 201,442,400.40-302,163,600.60-186,136,899.60

Finding the Fourth Proportional to 201,442,400.40, 302,163,600.60 and 186,136,899.60

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Solution

The fourth proportional to 201,442,400.40, 302,163,600.60 and 186,136,899.60 is: 279,205,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,442,400.40 : 302,163,600.60 = 186,136,899.60 : x
  2. Step 2: Convert to fraction form
    201,442,400.40/302,163,600.60 = 186,136,899.60/x
  3. Step 3: Cross multiply
    201,442,400.40x = 302,163,600.60 × 186,136,899.60
  4. Step 4: Simplify right side
    201,442,400.40x = 56,243,795,787,656,704
  5. Step 5: Solve for x
    x = 56,243,795,787,656,704/201,442,400.40
  6. Step 6: Final answer
    x = 279,205,349.40

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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.