Home / 43,457,486.52-65,241,543.60-28,168,752.45

Finding the Fourth Proportional to 43,457,486.52, 65,241,543.60 and 28,168,752.45

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Solution

The fourth proportional to 43,457,486.52, 65,241,543.60 and 28,168,752.45 is: 42,288,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,457,486.52 : 65,241,543.60 = 28,168,752.45 : x
  2. Step 2: Convert to fraction form
    43,457,486.52/65,241,543.60 = 28,168,752.45/x
  3. Step 3: Cross multiply
    43,457,486.52x = 65,241,543.60 × 28,168,752.45
  4. Step 4: Simplify right side
    43,457,486.52x = 1,837,772,891,124,281.75
  5. Step 5: Solve for x
    x = 1,837,772,891,124,281.75/43,457,486.52
  6. Step 6: Final answer
    x = 42,288,982.60

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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.