Home / 74,478,607.70-102,778,867.64-43,117,986.32

Finding the Fourth Proportional to 74,478,607.70, 102,778,867.64 and 43,117,986.32

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Solution

The fourth proportional to 74,478,607.70, 102,778,867.64 and 43,117,986.32 is: 59,501,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,478,607.70 : 102,778,867.64 = 43,117,986.32 : x
  2. Step 2: Convert to fraction form
    74,478,607.70/102,778,867.64 = 43,117,986.32/x
  3. Step 3: Cross multiply
    74,478,607.70x = 102,778,867.64 × 43,117,986.32
  4. Step 4: Simplify right side
    74,478,607.70x = 4,431,617,808,886,610.50
  5. Step 5: Solve for x
    x = 4,431,617,808,886,610.50/74,478,607.70
  6. Step 6: Final answer
    x = 59,501,888.47

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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.