Home / 219,030,567-328,868,822.34-122,175,510.36

Finding the Fourth Proportional to 219,030,567, 328,868,822.34 and 122,175,510.36

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Solution

The fourth proportional to 219,030,567, 328,868,822.34 and 122,175,510.36 is: 183,443,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,030,567 : 328,868,822.34 = 122,175,510.36 : x
  2. Step 2: Convert to fraction form
    219,030,567/328,868,822.34 = 122,175,510.36/x
  3. Step 3: Cross multiply
    219,030,567x = 328,868,822.34 × 122,175,510.36
  4. Step 4: Simplify right side
    219,030,567x = 40,179,716,210,881,664
  5. Step 5: Solve for x
    x = 40,179,716,210,881,664/219,030,567
  6. Step 6: Final answer
    x = 183,443,419.62

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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.