Home / 144,688,683.60-217,284,967.80-76,664,235.60

Finding the Fourth Proportional to 144,688,683.60, 217,284,967.80 and 76,664,235.60

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Solution

The fourth proportional to 144,688,683.60, 217,284,967.80 and 76,664,235.60 is: 115,129,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,688,683.60 : 217,284,967.80 = 76,664,235.60 : x
  2. Step 2: Convert to fraction form
    144,688,683.60/217,284,967.80 = 76,664,235.60/x
  3. Step 3: Cross multiply
    144,688,683.60x = 217,284,967.80 × 76,664,235.60
  4. Step 4: Simplify right side
    144,688,683.60x = 16,657,985,963,757,614
  5. Step 5: Solve for x
    x = 16,657,985,963,757,614/144,688,683.60
  6. Step 6: Final answer
    x = 115,129,846.71

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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.