Home / 145,768,506.75-201,162,929.22-87,036,304.23

Finding the Fourth Proportional to 145,768,506.75, 201,162,929.22 and 87,036,304.23

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Solution

The fourth proportional to 145,768,506.75, 201,162,929.22 and 87,036,304.23 is: 120,111,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,768,506.75 : 201,162,929.22 = 87,036,304.23 : x
  2. Step 2: Convert to fraction form
    145,768,506.75/201,162,929.22 = 87,036,304.23/x
  3. Step 3: Cross multiply
    145,768,506.75x = 201,162,929.22 × 87,036,304.23
  4. Step 4: Simplify right side
    145,768,506.75x = 17,508,477,907,389,878
  5. Step 5: Solve for x
    x = 17,508,477,907,389,878/145,768,506.75
  6. Step 6: Final answer
    x = 120,111,526.82

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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.