Home / 145,849,849.20-218,637,916.20-55,034,463.60

Finding the Fourth Proportional to 145,849,849.20, 218,637,916.20 and 55,034,463.60

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Solution

The fourth proportional to 145,849,849.20, 218,637,916.20 and 55,034,463.60 is: 82,500,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,849,849.20 : 218,637,916.20 = 55,034,463.60 : x
  2. Step 2: Convert to fraction form
    145,849,849.20/218,637,916.20 = 55,034,463.60/x
  3. Step 3: Cross multiply
    145,849,849.20x = 218,637,916.20 × 55,034,463.60
  4. Step 4: Simplify right side
    145,849,849.20x = 12,032,620,440,688,750
  5. Step 5: Solve for x
    x = 12,032,620,440,688,750/145,849,849.20
  6. Step 6: Final answer
    x = 82,500,054.04

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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.