Home / 219,316,440.69-328,972,123.76-53,320,887.45

Finding the Fourth Proportional to 219,316,440.69, 328,972,123.76 and 53,320,887.45

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Solution

The fourth proportional to 219,316,440.69, 328,972,123.76 and 53,320,887.45 is: 79,980,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316,440.69 : 328,972,123.76 = 53,320,887.45 : x
  2. Step 2: Convert to fraction form
    219,316,440.69/328,972,123.76 = 53,320,887.45/x
  3. Step 3: Cross multiply
    219,316,440.69x = 328,972,123.76 × 53,320,887.45
  4. Step 4: Simplify right side
    219,316,440.69x = 17,541,085,584,927,828
  5. Step 5: Solve for x
    x = 17,541,085,584,927,828/219,316,440.69
  6. Step 6: Final answer
    x = 79,980,714.30

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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.