Home / 144,501,333.36-199,411,944.12-78,421,814.16

Finding the Fourth Proportional to 144,501,333.36, 199,411,944.12 and 78,421,814.16

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Solution

The fourth proportional to 144,501,333.36, 199,411,944.12 and 78,421,814.16 is: 108,222,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,501,333.36 : 199,411,944.12 = 78,421,814.16 : x
  2. Step 2: Convert to fraction form
    144,501,333.36/199,411,944.12 = 78,421,814.16/x
  3. Step 3: Cross multiply
    144,501,333.36x = 199,411,944.12 × 78,421,814.16
  4. Step 4: Simplify right side
    144,501,333.36x = 15,638,246,423,062,944
  5. Step 5: Solve for x
    x = 15,638,246,423,062,944/144,501,333.36
  6. Step 6: Final answer
    x = 108,222,160.03

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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.