Home / 144,828,009.70-217,242,014.55-42,602,380.90

Finding the Fourth Proportional to 144,828,009.70, 217,242,014.55 and 42,602,380.90

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Solution

The fourth proportional to 144,828,009.70, 217,242,014.55 and 42,602,380.90 is: 63,903,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,009.70 : 217,242,014.55 = 42,602,380.90 : x
  2. Step 2: Convert to fraction form
    144,828,009.70/217,242,014.55 = 42,602,380.90/x
  3. Step 3: Cross multiply
    144,828,009.70x = 217,242,014.55 × 42,602,380.90
  4. Step 4: Simplify right side
    144,828,009.70x = 9,255,027,051,342,442
  5. Step 5: Solve for x
    x = 9,255,027,051,342,442/144,828,009.70
  6. Step 6: Final answer
    x = 63,903,571.35

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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.