Home / 147,616,779.80-221,425,169.70-136,867,237.40

Finding the Fourth Proportional to 147,616,779.80, 221,425,169.70 and 136,867,237.40

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Solution

The fourth proportional to 147,616,779.80, 221,425,169.70 and 136,867,237.40 is: 205,300,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,616,779.80 : 221,425,169.70 = 136,867,237.40 : x
  2. Step 2: Convert to fraction form
    147,616,779.80/221,425,169.70 = 136,867,237.40/x
  3. Step 3: Cross multiply
    147,616,779.80x = 221,425,169.70 × 136,867,237.40
  4. Step 4: Simplify right side
    147,616,779.80x = 30,305,851,267,665,188
  5. Step 5: Solve for x
    x = 30,305,851,267,665,188/147,616,779.80
  6. Step 6: Final answer
    x = 205,300,856.10

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1.5x scale

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.