Home / 55,191,663.59-76,167,840.05-30,411,820.44

Finding the Fourth Proportional to 55,191,663.59, 76,167,840.05 and 30,411,820.44

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Solution

The fourth proportional to 55,191,663.59, 76,167,840.05 and 30,411,820.44 is: 41,970,154.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191,663.59 : 76,167,840.05 = 30,411,820.44 : x
  2. Step 2: Convert to fraction form
    55,191,663.59/76,167,840.05 = 30,411,820.44/x
  3. Step 3: Cross multiply
    55,191,663.59x = 76,167,840.05 × 30,411,820.44
  4. Step 4: Simplify right side
    55,191,663.59x = 2,316,402,674,751,181.50
  5. Step 5: Solve for x
    x = 2,316,402,674,751,181.50/55,191,663.59
  6. Step 6: Final answer
    x = 41,970,154.99

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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.