Home / 97,880,874.12-135,079,075.31-53,831,279.77

Finding the Fourth Proportional to 97,880,874.12, 135,079,075.31 and 53,831,279.77

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Solution

The fourth proportional to 97,880,874.12, 135,079,075.31 and 53,831,279.77 is: 74,289,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,880,874.12 : 135,079,075.31 = 53,831,279.77 : x
  2. Step 2: Convert to fraction form
    97,880,874.12/135,079,075.31 = 53,831,279.77/x
  3. Step 3: Cross multiply
    97,880,874.12x = 135,079,075.31 × 53,831,279.77
  4. Step 4: Simplify right side
    97,880,874.12x = 7,271,479,493,478,656
  5. Step 5: Solve for x
    x = 7,271,479,493,478,656/97,880,874.12
  6. Step 6: Final answer
    x = 74,289,073.93

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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.