Home / 69,125,779.20-103,688,668.80-43,483,641.60

Finding the Fourth Proportional to 69,125,779.20, 103,688,668.80 and 43,483,641.60

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Solution

The fourth proportional to 69,125,779.20, 103,688,668.80 and 43,483,641.60 is: 65,225,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,125,779.20 : 103,688,668.80 = 43,483,641.60 : x
  2. Step 2: Convert to fraction form
    69,125,779.20/103,688,668.80 = 43,483,641.60/x
  3. Step 3: Cross multiply
    69,125,779.20x = 103,688,668.80 × 43,483,641.60
  4. Step 4: Simplify right side
    69,125,779.20x = 4,508,760,912,080,302
  5. Step 5: Solve for x
    x = 4,508,760,912,080,302/69,125,779.20
  6. Step 6: Final answer
    x = 65,225,462.40

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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.