Home / 99,174,669.80-148,762,004.70-74,988,199.40

Finding the Fourth Proportional to 99,174,669.80, 148,762,004.70 and 74,988,199.40

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Solution

The fourth proportional to 99,174,669.80, 148,762,004.70 and 74,988,199.40 is: 112,482,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,174,669.80 : 148,762,004.70 = 74,988,199.40 : x
  2. Step 2: Convert to fraction form
    99,174,669.80/148,762,004.70 = 74,988,199.40/x
  3. Step 3: Cross multiply
    99,174,669.80x = 148,762,004.70 × 74,988,199.40
  4. Step 4: Simplify right side
    99,174,669.80x = 11,155,394,871,587,338
  5. Step 5: Solve for x
    x = 11,155,394,871,587,338/99,174,669.80
  6. Step 6: Final answer
    x = 112,482,299.10

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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.