Home / 100,116,021.40-140,565,537.80-100,116,021.40

Finding the Fourth Proportional to 100,116,021.40, 140,565,537.80 and 100,116,021.40

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Solution

The fourth proportional to 100,116,021.40, 140,565,537.80 and 100,116,021.40 is: 140,565,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,116,021.40 : 140,565,537.80 = 100,116,021.40 : x
  2. Step 2: Convert to fraction form
    100,116,021.40/140,565,537.80 = 100,116,021.40/x
  3. Step 3: Cross multiply
    100,116,021.40x = 140,565,537.80 × 100,116,021.40
  4. Step 4: Simplify right side
    100,116,021.40x = 14,072,862,390,487,310
  5. Step 5: Solve for x
    x = 14,072,862,390,487,310/100,116,021.40
  6. Step 6: Final answer
    x = 140,565,537.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.