Home / 121,044,779.60-181,583,758.20-40,257,323.60

Finding the Fourth Proportional to 121,044,779.60, 181,583,758.20 and 40,257,323.60

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Solution

The fourth proportional to 121,044,779.60, 181,583,758.20 and 40,257,323.60 is: 60,391,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,044,779.60 : 181,583,758.20 = 40,257,323.60 : x
  2. Step 2: Convert to fraction form
    121,044,779.60/181,583,758.20 = 40,257,323.60/x
  3. Step 3: Cross multiply
    121,044,779.60x = 181,583,758.20 × 40,257,323.60
  4. Step 4: Simplify right side
    121,044,779.60x = 7,310,076,114,361,553
  5. Step 5: Solve for x
    x = 7,310,076,114,361,553/121,044,779.60
  6. Step 6: Final answer
    x = 60,391,502.54

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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.