Home / 86,920,128,322.40-130,380,192,483.60-31,024,439,400.80

Finding the Fourth Proportional to 86,920,128,322.40, 130,380,192,483.60 and 31,024,439,400.80

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Solution

The fourth proportional to 86,920,128,322.40, 130,380,192,483.60 and 31,024,439,400.80 is: 46,536,659,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,322.40 : 130,380,192,483.60 = 31,024,439,400.80 : x
  2. Step 2: Convert to fraction form
    86,920,128,322.40/130,380,192,483.60 = 31,024,439,400.80/x
  3. Step 3: Cross multiply
    86,920,128,322.40x = 130,380,192,483.60 × 31,024,439,400.80
  4. Step 4: Simplify right side
    86,920,128,322.40x = 4,044,972,380,772,087,889,920
  5. Step 5: Solve for x
    x = 4,044,972,380,772,087,889,920/86,920,128,322.40
  6. Step 6: Final answer
    x = 46,536,659,101.20

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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.