Home / 120,528,004.20-180,792,006.30-63,037,897.80

Finding the Fourth Proportional to 120,528,004.20, 180,792,006.30 and 63,037,897.80

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Solution

The fourth proportional to 120,528,004.20, 180,792,006.30 and 63,037,897.80 is: 94,556,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,528,004.20 : 180,792,006.30 = 63,037,897.80 : x
  2. Step 2: Convert to fraction form
    120,528,004.20/180,792,006.30 = 63,037,897.80/x
  3. Step 3: Cross multiply
    120,528,004.20x = 180,792,006.30 × 63,037,897.80
  4. Step 4: Simplify right side
    120,528,004.20x = 11,396,748,016,196,356
  5. Step 5: Solve for x
    x = 11,396,748,016,196,356/120,528,004.20
  6. Step 6: Final answer
    x = 94,556,846.70

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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.