Home / 145,738,519.80-218,607,779.70-38,033,143.80

Finding the Fourth Proportional to 145,738,519.80, 218,607,779.70 and 38,033,143.80

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Solution

The fourth proportional to 145,738,519.80, 218,607,779.70 and 38,033,143.80 is: 57,049,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,738,519.80 : 218,607,779.70 = 38,033,143.80 : x
  2. Step 2: Convert to fraction form
    145,738,519.80/218,607,779.70 = 38,033,143.80/x
  3. Step 3: Cross multiply
    145,738,519.80x = 218,607,779.70 × 38,033,143.80
  4. Step 4: Simplify right side
    145,738,519.80x = 8,314,341,121,128,820
  5. Step 5: Solve for x
    x = 8,314,341,121,128,820/145,738,519.80
  6. Step 6: Final answer
    x = 57,049,715.70

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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.