Home / 190,512,271.02-285,776,155.74-90,750,628.20

Finding the Fourth Proportional to 190,512,271.02, 285,776,155.74 and 90,750,628.20

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Solution

The fourth proportional to 190,512,271.02, 285,776,155.74 and 90,750,628.20 is: 136,129,633.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,512,271.02 : 285,776,155.74 = 90,750,628.20 : x
  2. Step 2: Convert to fraction form
    190,512,271.02/285,776,155.74 = 90,750,628.20/x
  3. Step 3: Cross multiply
    190,512,271.02x = 285,776,155.74 × 90,750,628.20
  4. Step 4: Simplify right side
    190,512,271.02x = 25,934,365,658,226,584
  5. Step 5: Solve for x
    x = 25,934,365,658,226,584/190,512,271.02
  6. Step 6: Final answer
    x = 136,129,633.64

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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.