Home / 86,920,130,111.40-130,380,195,167.10-83,614,141,938.60

Finding the Fourth Proportional to 86,920,130,111.40, 130,380,195,167.10 and 83,614,141,938.60

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Solution

The fourth proportional to 86,920,130,111.40, 130,380,195,167.10 and 83,614,141,938.60 is: 125,421,212,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,130,111.40 : 130,380,195,167.10 = 83,614,141,938.60 : x
  2. Step 2: Convert to fraction form
    86,920,130,111.40/130,380,195,167.10 = 83,614,141,938.60/x
  3. Step 3: Cross multiply
    86,920,130,111.40x = 130,380,195,167.10 × 83,614,141,938.60
  4. Step 4: Simplify right side
    86,920,130,111.40x = 10,901,628,144,684,271,403,008
  5. Step 5: Solve for x
    x = 10,901,628,144,684,271,403,008/86,920,130,111.40
  6. Step 6: Final answer
    x = 125,421,212,907.90

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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.