Home / 123,681,892.56-170,696,154.31-71,470,928.22

Finding the Fourth Proportional to 123,681,892.56, 170,696,154.31 and 71,470,928.22

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Solution

The fourth proportional to 123,681,892.56, 170,696,154.31 and 71,470,928.22 is: 98,638,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,681,892.56 : 170,696,154.31 = 71,470,928.22 : x
  2. Step 2: Convert to fraction form
    123,681,892.56/170,696,154.31 = 71,470,928.22/x
  3. Step 3: Cross multiply
    123,681,892.56x = 170,696,154.31 × 71,470,928.22
  4. Step 4: Simplify right side
    123,681,892.56x = 12,199,812,592,120,054
  5. Step 5: Solve for x
    x = 12,199,812,592,120,054/123,681,892.56
  6. Step 6: Final answer
    x = 98,638,631.25

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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.