Home / 155,683,750.56-214,834,360.20-86,064,979.44

Finding the Fourth Proportional to 155,683,750.56, 214,834,360.20 and 86,064,979.44

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Solution

The fourth proportional to 155,683,750.56, 214,834,360.20 and 86,064,979.44 is: 118,764,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,683,750.56 : 214,834,360.20 = 86,064,979.44 : x
  2. Step 2: Convert to fraction form
    155,683,750.56/214,834,360.20 = 86,064,979.44/x
  3. Step 3: Cross multiply
    155,683,750.56x = 214,834,360.20 × 86,064,979.44
  4. Step 4: Simplify right side
    155,683,750.56x = 18,489,714,793,618,552
  5. Step 5: Solve for x
    x = 18,489,714,793,618,552/155,683,750.56
  6. Step 6: Final answer
    x = 118,764,577.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.