Home / 89,478,090.63-123,477,829.02-51,802,843.14

Finding the Fourth Proportional to 89,478,090.63, 123,477,829.02 and 51,802,843.14

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Solution

The fourth proportional to 89,478,090.63, 123,477,829.02 and 51,802,843.14 is: 71,486,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,478,090.63 : 123,477,829.02 = 51,802,843.14 : x
  2. Step 2: Convert to fraction form
    89,478,090.63/123,477,829.02 = 51,802,843.14/x
  3. Step 3: Cross multiply
    89,478,090.63x = 123,477,829.02 × 51,802,843.14
  4. Step 4: Simplify right side
    89,478,090.63x = 6,396,502,607,990,800
  5. Step 5: Solve for x
    x = 6,396,502,607,990,800/89,478,090.63
  6. Step 6: Final answer
    x = 71,486,802.67

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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.