Home / 415,599,948.55-623,496,938.16-120,501,241.03

Finding the Fourth Proportional to 415,599,948.55, 623,496,938.16 and 120,501,241.03

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Solution

The fourth proportional to 415,599,948.55, 623,496,938.16 and 120,501,241.03 is: 180,779,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,599,948.55 : 623,496,938.16 = 120,501,241.03 : x
  2. Step 2: Convert to fraction form
    415,599,948.55/623,496,938.16 = 120,501,241.03/x
  3. Step 3: Cross multiply
    415,599,948.55x = 623,496,938.16 × 120,501,241.03
  4. Step 4: Simplify right side
    415,599,948.55x = 75,132,154,826,685,168
  5. Step 5: Solve for x
    x = 75,132,154,826,685,168/415,599,948.55
  6. Step 6: Final answer
    x = 180,779,990.68

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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.