Home / 71,338,837.72-98,450,019.36-68,069,977.40

Finding the Fourth Proportional to 71,338,837.72, 98,450,019.36 and 68,069,977.40

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Solution

The fourth proportional to 71,338,837.72, 98,450,019.36 and 68,069,977.40 is: 93,938,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,338,837.72 : 98,450,019.36 = 68,069,977.40 : x
  2. Step 2: Convert to fraction form
    71,338,837.72/98,450,019.36 = 68,069,977.40/x
  3. Step 3: Cross multiply
    71,338,837.72x = 98,450,019.36 × 68,069,977.40
  4. Step 4: Simplify right side
    71,338,837.72x = 6,701,490,592,864,763
  5. Step 5: Solve for x
    x = 6,701,490,592,864,763/71,338,837.72
  6. Step 6: Final answer
    x = 93,938,881.08

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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.