Home / 270,276,548.40-405,414,822.60-97,779,985.20

Finding the Fourth Proportional to 270,276,548.40, 405,414,822.60 and 97,779,985.20

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Solution

The fourth proportional to 270,276,548.40, 405,414,822.60 and 97,779,985.20 is: 146,669,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,276,548.40 : 405,414,822.60 = 97,779,985.20 : x
  2. Step 2: Convert to fraction form
    270,276,548.40/405,414,822.60 = 97,779,985.20/x
  3. Step 3: Cross multiply
    270,276,548.40x = 405,414,822.60 × 97,779,985.20
  4. Step 4: Simplify right side
    270,276,548.40x = 39,641,455,353,688,632
  5. Step 5: Solve for x
    x = 39,641,455,353,688,632/270,276,548.40
  6. Step 6: Final answer
    x = 146,669,977.80

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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.