Home / 193,341,921-290,005,016.34-47,771,816.70

Finding the Fourth Proportional to 193,341,921, 290,005,016.34 and 47,771,816.70

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Solution

The fourth proportional to 193,341,921, 290,005,016.34 and 47,771,816.70 is: 71,655,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,341,921 : 290,005,016.34 = 47,771,816.70 : x
  2. Step 2: Convert to fraction form
    193,341,921/290,005,016.34 = 47,771,816.70/x
  3. Step 3: Cross multiply
    193,341,921x = 290,005,016.34 × 47,771,816.70
  4. Step 4: Simplify right side
    193,341,921x = 13,854,066,482,674,984
  5. Step 5: Solve for x
    x = 13,854,066,482,674,984/193,341,921
  6. Step 6: Final answer
    x = 71,655,781.69

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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.