Home / 96,985,240.40-145,477,860.60-86,462,708.60

Finding the Fourth Proportional to 96,985,240.40, 145,477,860.60 and 86,462,708.60

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Solution

The fourth proportional to 96,985,240.40, 145,477,860.60 and 86,462,708.60 is: 129,694,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,985,240.40 : 145,477,860.60 = 86,462,708.60 : x
  2. Step 2: Convert to fraction form
    96,985,240.40/145,477,860.60 = 86,462,708.60/x
  3. Step 3: Cross multiply
    96,985,240.40x = 145,477,860.60 × 86,462,708.60
  4. Step 4: Simplify right side
    96,985,240.40x = 12,578,409,868,809,220
  5. Step 5: Solve for x
    x = 12,578,409,868,809,220/96,985,240.40
  6. Step 6: Final answer
    x = 129,694,062.90

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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.