Home / 219,030,567.50-328,868,823.09-122,175,510.86

Finding the Fourth Proportional to 219,030,567.50, 328,868,823.09 and 122,175,510.86

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Solution

The fourth proportional to 219,030,567.50, 328,868,823.09 and 122,175,510.86 is: 183,443,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,030,567.50 : 328,868,823.09 = 122,175,510.86 : x
  2. Step 2: Convert to fraction form
    219,030,567.50/328,868,823.09 = 122,175,510.86/x
  3. Step 3: Cross multiply
    219,030,567.50x = 328,868,823.09 × 122,175,510.86
  4. Step 4: Simplify right side
    219,030,567.50x = 40,179,716,466,947,712
  5. Step 5: Solve for x
    x = 40,179,716,466,947,712/219,030,567.50
  6. Step 6: Final answer
    x = 183,443,420.37

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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.