Home / 38,459,646.91-53,081,782.55-29,150,980.30

Finding the Fourth Proportional to 38,459,646.91, 53,081,782.55 and 29,150,980.30

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Solution

The fourth proportional to 38,459,646.91, 53,081,782.55 and 29,150,980.30 is: 40,234,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459,646.91 : 53,081,782.55 = 29,150,980.30 : x
  2. Step 2: Convert to fraction form
    38,459,646.91/53,081,782.55 = 29,150,980.30/x
  3. Step 3: Cross multiply
    38,459,646.91x = 53,081,782.55 × 29,150,980.30
  4. Step 4: Simplify right side
    38,459,646.91x = 1,547,385,997,403,933.75
  5. Step 5: Solve for x
    x = 1,547,385,997,403,933.75/38,459,646.91
  6. Step 6: Final answer
    x = 40,234,014.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.