Home / 45,398,526.60-68,097,789.90-28,378,417.80

Finding the Fourth Proportional to 45,398,526.60, 68,097,789.90 and 28,378,417.80

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Solution

The fourth proportional to 45,398,526.60, 68,097,789.90 and 28,378,417.80 is: 42,567,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,398,526.60 : 68,097,789.90 = 28,378,417.80 : x
  2. Step 2: Convert to fraction form
    45,398,526.60/68,097,789.90 = 28,378,417.80/x
  3. Step 3: Cross multiply
    45,398,526.60x = 68,097,789.90 × 28,378,417.80
  4. Step 4: Simplify right side
    45,398,526.60x = 1,932,507,533,038,820.50
  5. Step 5: Solve for x
    x = 1,932,507,533,038,820.50/45,398,526.60
  6. Step 6: Final answer
    x = 42,567,626.70

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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.