Home / 147,632,424.80-221,448,637.20-140,242,114.40

Finding the Fourth Proportional to 147,632,424.80, 221,448,637.20 and 140,242,114.40

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Solution

The fourth proportional to 147,632,424.80, 221,448,637.20 and 140,242,114.40 is: 210,363,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,632,424.80 : 221,448,637.20 = 140,242,114.40 : x
  2. Step 2: Convert to fraction form
    147,632,424.80/221,448,637.20 = 140,242,114.40/x
  3. Step 3: Cross multiply
    147,632,424.80x = 221,448,637.20 × 140,242,114.40
  4. Step 4: Simplify right side
    147,632,424.80x = 31,056,425,111,926,496
  5. Step 5: Solve for x
    x = 31,056,425,111,926,496/147,632,424.80
  6. Step 6: Final answer
    x = 210,363,171.60

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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.