Home / 219,316,064.19-328,971,560.08-53,320,509.38

Finding the Fourth Proportional to 219,316,064.19, 328,971,560.08 and 53,320,509.38

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Solution

The fourth proportional to 219,316,064.19, 328,971,560.08 and 53,320,509.38 is: 79,980,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316,064.19 : 328,971,560.08 = 53,320,509.38 : x
  2. Step 2: Convert to fraction form
    219,316,064.19/328,971,560.08 = 53,320,509.38/x
  3. Step 3: Cross multiply
    219,316,064.19x = 328,971,560.08 × 53,320,509.38
  4. Step 4: Simplify right side
    219,316,064.19x = 17,540,931,154,998,874
  5. Step 5: Solve for x
    x = 17,540,931,154,998,874/219,316,064.19
  6. Step 6: Final answer
    x = 79,980,147.46

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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.