Home / 43,138,045.13-64,708,396.29-18,864,477.45

Finding the Fourth Proportional to 43,138,045.13, 64,708,396.29 and 18,864,477.45

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Solution

The fourth proportional to 43,138,045.13, 64,708,396.29 and 18,864,477.45 is: 28,297,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,138,045.13 : 64,708,396.29 = 18,864,477.45 : x
  2. Step 2: Convert to fraction form
    43,138,045.13/64,708,396.29 = 18,864,477.45/x
  3. Step 3: Cross multiply
    43,138,045.13x = 64,708,396.29 × 18,864,477.45
  4. Step 4: Simplify right side
    43,138,045.13x = 1,220,690,082,638,368.50
  5. Step 5: Solve for x
    x = 1,220,690,082,638,368.50/43,138,045.13
  6. Step 6: Final answer
    x = 28,297,297.18

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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.