Home / 100,963,396.89-151,460,753.69-42,671,320.31

Finding the Fourth Proportional to 100,963,396.89, 151,460,753.69 and 42,671,320.31

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Solution

The fourth proportional to 100,963,396.89, 151,460,753.69 and 42,671,320.31 is: 64,013,598.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,963,396.89 : 151,460,753.69 = 42,671,320.31 : x
  2. Step 2: Convert to fraction form
    100,963,396.89/151,460,753.69 = 42,671,320.31/x
  3. Step 3: Cross multiply
    100,963,396.89x = 151,460,753.69 × 42,671,320.31
  4. Step 4: Simplify right side
    100,963,396.89x = 6,463,030,335,100,005
  5. Step 5: Solve for x
    x = 6,463,030,335,100,005/100,963,396.89
  6. Step 6: Final answer
    x = 64,013,598.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.