Home / 103,004,597.84-142,111,188.94-63,832,081.72

Finding the Fourth Proportional to 103,004,597.84, 142,111,188.94 and 63,832,081.72

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Solution

The fourth proportional to 103,004,597.84, 142,111,188.94 and 63,832,081.72 is: 88,066,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,004,597.84 : 142,111,188.94 = 63,832,081.72 : x
  2. Step 2: Convert to fraction form
    103,004,597.84/142,111,188.94 = 63,832,081.72/x
  3. Step 3: Cross multiply
    103,004,597.84x = 142,111,188.94 × 63,832,081.72
  4. Step 4: Simplify right side
    103,004,597.84x = 9,071,253,025,744,440
  5. Step 5: Solve for x
    x = 9,071,253,025,744,440/103,004,597.84
  6. Step 6: Final answer
    x = 88,066,486.51

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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.