Home / 103,389,979.44-142,699,343.76-61,598,526.60

Finding the Fourth Proportional to 103,389,979.44, 142,699,343.76 and 61,598,526.60

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Solution

The fourth proportional to 103,389,979.44, 142,699,343.76 and 61,598,526.60 is: 85,018,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,389,979.44 : 142,699,343.76 = 61,598,526.60 : x
  2. Step 2: Convert to fraction form
    103,389,979.44/142,699,343.76 = 61,598,526.60/x
  3. Step 3: Cross multiply
    103,389,979.44x = 142,699,343.76 × 61,598,526.60
  4. Step 4: Simplify right side
    103,389,979.44x = 8,790,069,322,402,904
  5. Step 5: Solve for x
    x = 8,790,069,322,402,904/103,389,979.44
  6. Step 6: Final answer
    x = 85,018,580.81

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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.