Home / 158,455,691.40-237,683,537.10-72,362,249.40

Finding the Fourth Proportional to 158,455,691.40, 237,683,537.10 and 72,362,249.40

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Solution

The fourth proportional to 158,455,691.40, 237,683,537.10 and 72,362,249.40 is: 108,543,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,455,691.40 : 237,683,537.10 = 72,362,249.40 : x
  2. Step 2: Convert to fraction form
    158,455,691.40/237,683,537.10 = 72,362,249.40/x
  3. Step 3: Cross multiply
    158,455,691.40x = 237,683,537.10 × 72,362,249.40
  4. Step 4: Simplify right side
    158,455,691.40x = 17,199,315,389,904,354
  5. Step 5: Solve for x
    x = 17,199,315,389,904,354/158,455,691.40
  6. Step 6: Final answer
    x = 108,543,374.10

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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.