Home / 147,883,514.21-221,845,448.42-61,601,742.87

Finding the Fourth Proportional to 147,883,514.21, 221,845,448.42 and 61,601,742.87

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Solution

The fourth proportional to 147,883,514.21, 221,845,448.42 and 61,601,742.87 is: 92,411,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,883,514.21 : 221,845,448.42 = 61,601,742.87 : x
  2. Step 2: Convert to fraction form
    147,883,514.21/221,845,448.42 = 61,601,742.87/x
  3. Step 3: Cross multiply
    147,883,514.21x = 221,845,448.42 × 61,601,742.87
  4. Step 4: Simplify right side
    147,883,514.21x = 13,666,066,270,140,678
  5. Step 5: Solve for x
    x = 13,666,066,270,140,678/147,883,514.21
  6. Step 6: Final answer
    x = 92,411,019.20

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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.