Home / 219,316,063.83-328,971,559.52-53,320,509

Finding the Fourth Proportional to 219,316,063.83, 328,971,559.52 and 53,320,509

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Solution

The fourth proportional to 219,316,063.83, 328,971,559.52 and 53,320,509 is: 79,980,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316,063.83 : 328,971,559.52 = 53,320,509 : x
  2. Step 2: Convert to fraction form
    219,316,063.83/328,971,559.52 = 53,320,509/x
  3. Step 3: Cross multiply
    219,316,063.83x = 328,971,559.52 × 53,320,509
  4. Step 4: Simplify right side
    219,316,063.83x = 17,540,930,999,863,592
  5. Step 5: Solve for x
    x = 17,540,930,999,863,592/219,316,063.83
  6. Step 6: Final answer
    x = 79,980,146.89

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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.