Home / 298,725,089.28-447,242,625.84-158,345,681.64

Finding the Fourth Proportional to 298,725,089.28, 447,242,625.84 and 158,345,681.64

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Solution

The fourth proportional to 298,725,089.28, 447,242,625.84 and 158,345,681.64 is: 237,070,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,725,089.28 : 447,242,625.84 = 158,345,681.64 : x
  2. Step 2: Convert to fraction form
    298,725,089.28/447,242,625.84 = 158,345,681.64/x
  3. Step 3: Cross multiply
    298,725,089.28x = 447,242,625.84 × 158,345,681.64
  4. Step 4: Simplify right side
    298,725,089.28x = 70,818,938,447,098,264
  5. Step 5: Solve for x
    x = 70,818,938,447,098,264/298,725,089.28
  6. Step 6: Final answer
    x = 237,070,607.69

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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.