Home / 219,316,071.54-328,971,571.02-53,320,516.68

Finding the Fourth Proportional to 219,316,071.54, 328,971,571.02 and 53,320,516.68

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Solution

The fourth proportional to 219,316,071.54, 328,971,571.02 and 53,320,516.68 is: 79,980,158.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316,071.54 : 328,971,571.02 = 53,320,516.68 : x
  2. Step 2: Convert to fraction form
    219,316,071.54/328,971,571.02 = 53,320,516.68/x
  3. Step 3: Cross multiply
    219,316,071.54x = 328,971,571.02 × 53,320,516.68
  4. Step 4: Simplify right side
    219,316,071.54x = 17,540,934,139,817,714
  5. Step 5: Solve for x
    x = 17,540,934,139,817,714/219,316,071.54
  6. Step 6: Final answer
    x = 79,980,158.39

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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.