Home / 70,709,546.79-97,587,669.32-42,831,439.01

Finding the Fourth Proportional to 70,709,546.79, 97,587,669.32 and 42,831,439.01

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Solution

The fourth proportional to 70,709,546.79, 97,587,669.32 and 42,831,439.01 is: 59,112,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,709,546.79 : 97,587,669.32 = 42,831,439.01 : x
  2. Step 2: Convert to fraction form
    70,709,546.79/97,587,669.32 = 42,831,439.01/x
  3. Step 3: Cross multiply
    70,709,546.79x = 97,587,669.32 × 42,831,439.01
  4. Step 4: Simplify right side
    70,709,546.79x = 4,179,820,306,500,549
  5. Step 5: Solve for x
    x = 4,179,820,306,500,549/70,709,546.79
  6. Step 6: Final answer
    x = 59,112,531.42

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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.