Home / 86,920,128,031.35-130,380,192,047.02-84,471,247,903.35

Finding the Fourth Proportional to 86,920,128,031.35, 130,380,192,047.02 and 84,471,247,903.35

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Solution

The fourth proportional to 86,920,128,031.35, 130,380,192,047.02 and 84,471,247,903.35 is: 126,706,871,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,031.35 : 130,380,192,047.02 = 84,471,247,903.35 : x
  2. Step 2: Convert to fraction form
    86,920,128,031.35/130,380,192,047.02 = 84,471,247,903.35/x
  3. Step 3: Cross multiply
    86,920,128,031.35x = 130,380,192,047.02 × 84,471,247,903.35
  4. Step 4: Simplify right side
    86,920,128,031.35x = 11,013,377,524,090,208,780,288
  5. Step 5: Solve for x
    x = 11,013,377,524,090,208,780,288/86,920,128,031.35
  6. Step 6: Final answer
    x = 126,706,871,855.02

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1.5x scale

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.