Home / 142,471,206.40-213,706,809.60-34,765,830.40

Finding the Fourth Proportional to 142,471,206.40, 213,706,809.60 and 34,765,830.40

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Solution

The fourth proportional to 142,471,206.40, 213,706,809.60 and 34,765,830.40 is: 52,148,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,471,206.40 : 213,706,809.60 = 34,765,830.40 : x
  2. Step 2: Convert to fraction form
    142,471,206.40/213,706,809.60 = 34,765,830.40/x
  3. Step 3: Cross multiply
    142,471,206.40x = 213,706,809.60 × 34,765,830.40
  4. Step 4: Simplify right side
    142,471,206.40x = 7,429,694,697,878,691
  5. Step 5: Solve for x
    x = 7,429,694,697,878,691/142,471,206.40
  6. Step 6: Final answer
    x = 52,148,745.60

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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.