Home / 165,271,495,328.40-247,539,910,973.40-143,231,574,176.40

Finding the Fourth Proportional to 165,271,495,328.40, 247,539,910,973.40 and 143,231,574,176.40

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Solution

The fourth proportional to 165,271,495,328.40, 247,539,910,973.40 and 143,231,574,176.40 is: 214,529,015,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,271,495,328.40 : 247,539,910,973.40 = 143,231,574,176.40 : x
  2. Step 2: Convert to fraction form
    165,271,495,328.40/247,539,910,973.40 = 143,231,574,176.40/x
  3. Step 3: Cross multiply
    165,271,495,328.40x = 247,539,910,973.40 × 143,231,574,176.40
  4. Step 4: Simplify right side
    165,271,495,328.40x = 35,455,531,120,205,991,247,872
  5. Step 5: Solve for x
    x = 35,455,531,120,205,991,247,872/165,271,495,328.40
  6. Step 6: Final answer
    x = 214,529,015,119.97

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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.