Home / 219,779,871.90-329,669,807.85-90,480,276.60

Finding the Fourth Proportional to 219,779,871.90, 329,669,807.85 and 90,480,276.60

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Solution

The fourth proportional to 219,779,871.90, 329,669,807.85 and 90,480,276.60 is: 135,720,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,779,871.90 : 329,669,807.85 = 90,480,276.60 : x
  2. Step 2: Convert to fraction form
    219,779,871.90/329,669,807.85 = 90,480,276.60/x
  3. Step 3: Cross multiply
    219,779,871.90x = 329,669,807.85 × 90,480,276.60
  4. Step 4: Simplify right side
    219,779,871.90x = 29,828,615,400,936,852
  5. Step 5: Solve for x
    x = 29,828,615,400,936,852/219,779,871.90
  6. Step 6: Final answer
    x = 135,720,414.90

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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.