Home / 219,030,289-328,868,405.40-122,175,232.36

Finding the Fourth Proportional to 219,030,289, 328,868,405.40 and 122,175,232.36

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Solution

The fourth proportional to 219,030,289, 328,868,405.40 and 122,175,232.36 is: 183,443,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,030,289 : 328,868,405.40 = 122,175,232.36 : x
  2. Step 2: Convert to fraction form
    219,030,289/328,868,405.40 = 122,175,232.36/x
  3. Step 3: Cross multiply
    219,030,289x = 328,868,405.40 × 122,175,232.36
  4. Step 4: Simplify right side
    219,030,289x = 40,179,573,845,607,672
  5. Step 5: Solve for x
    x = 40,179,573,845,607,672/219,030,289
  6. Step 6: Final answer
    x = 183,443,002.47

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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.