Home / 291,355,252.40-436,906,907.40-145,732,545.20

Finding the Fourth Proportional to 291,355,252.40, 436,906,907.40 and 145,732,545.20

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Solution

The fourth proportional to 291,355,252.40, 436,906,907.40 and 145,732,545.20 is: 218,535,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,355,252.40 : 436,906,907.40 = 145,732,545.20 : x
  2. Step 2: Convert to fraction form
    291,355,252.40/436,906,907.40 = 145,732,545.20/x
  3. Step 3: Cross multiply
    291,355,252.40x = 436,906,907.40 × 145,732,545.20
  4. Step 4: Simplify right side
    291,355,252.40x = 63,671,555,630,862,704
  5. Step 5: Solve for x
    x = 63,671,555,630,862,704/291,355,252.40
  6. Step 6: Final answer
    x = 218,535,808.46

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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.