Home / 549,072,795.90-823,608,532.86-140,128,990.14

Finding the Fourth Proportional to 549,072,795.90, 823,608,532.86 and 140,128,990.14

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Solution

The fourth proportional to 549,072,795.90, 823,608,532.86 and 140,128,990.14 is: 210,193,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,072,795.90 : 823,608,532.86 = 140,128,990.14 : x
  2. Step 2: Convert to fraction form
    549,072,795.90/823,608,532.86 = 140,128,990.14/x
  3. Step 3: Cross multiply
    549,072,795.90x = 823,608,532.86 × 140,128,990.14
  4. Step 4: Simplify right side
    549,072,795.90x = 115,411,431,980,358,800
  5. Step 5: Solve for x
    x = 115,411,431,980,358,800/549,072,795.90
  6. Step 6: Final answer
    x = 210,193,316.52

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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.