Home / 145,155,664.80-217,733,497.20-133,566,314.40

Finding the Fourth Proportional to 145,155,664.80, 217,733,497.20 and 133,566,314.40

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Solution

The fourth proportional to 145,155,664.80, 217,733,497.20 and 133,566,314.40 is: 200,349,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,155,664.80 : 217,733,497.20 = 133,566,314.40 : x
  2. Step 2: Convert to fraction form
    145,155,664.80/217,733,497.20 = 133,566,314.40/x
  3. Step 3: Cross multiply
    145,155,664.80x = 217,733,497.20 × 133,566,314.40
  4. Step 4: Simplify right side
    145,155,664.80x = 29,081,860,742,426,720
  5. Step 5: Solve for x
    x = 29,081,860,742,426,720/145,155,664.80
  6. Step 6: Final answer
    x = 200,349,471.60

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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.