Home / 65,769,874,729.80-90,746,871,030.36-37,223,529,967.60

Finding the Fourth Proportional to 65,769,874,729.80, 90,746,871,030.36 and 37,223,529,967.60

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Solution

The fourth proportional to 65,769,874,729.80, 90,746,871,030.36 and 37,223,529,967.60 is: 51,359,667,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769,874,729.80 : 90,746,871,030.36 = 37,223,529,967.60 : x
  2. Step 2: Convert to fraction form
    65,769,874,729.80/90,746,871,030.36 = 37,223,529,967.60/x
  3. Step 3: Cross multiply
    65,769,874,729.80x = 90,746,871,030.36 × 37,223,529,967.60
  4. Step 4: Simplify right side
    65,769,874,729.80x = 3,377,918,873,264,537,468,928
  5. Step 5: Solve for x
    x = 3,377,918,873,264,537,468,928/65,769,874,729.80
  6. Step 6: Final answer
    x = 51,359,667,129.40

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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.