Home / 145,390,020.40-218,204,003.40-144,256,279.60

Finding the Fourth Proportional to 145,390,020.40, 218,204,003.40 and 144,256,279.60

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Solution

The fourth proportional to 145,390,020.40, 218,204,003.40 and 144,256,279.60 is: 216,502,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,390,020.40 : 218,204,003.40 = 144,256,279.60 : x
  2. Step 2: Convert to fraction form
    145,390,020.40/218,204,003.40 = 144,256,279.60/x
  3. Step 3: Cross multiply
    145,390,020.40x = 218,204,003.40 × 144,256,279.60
  4. Step 4: Simplify right side
    145,390,020.40x = 31,477,297,724,309,752
  5. Step 5: Solve for x
    x = 31,477,297,724,309,752/145,390,020.40
  6. Step 6: Final answer
    x = 216,502,464.46

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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.