Home / 92,268,085.80-138,402,128.70-53,909,855.40

Finding the Fourth Proportional to 92,268,085.80, 138,402,128.70 and 53,909,855.40

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Solution

The fourth proportional to 92,268,085.80, 138,402,128.70 and 53,909,855.40 is: 80,864,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,268,085.80 : 138,402,128.70 = 53,909,855.40 : x
  2. Step 2: Convert to fraction form
    92,268,085.80/138,402,128.70 = 53,909,855.40/x
  3. Step 3: Cross multiply
    92,268,085.80x = 138,402,128.70 × 53,909,855.40
  4. Step 4: Simplify right side
    92,268,085.80x = 7,461,238,745,269,189
  5. Step 5: Solve for x
    x = 7,461,238,745,269,189/92,268,085.80
  6. Step 6: Final answer
    x = 80,864,783.10

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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.