Home / 74,300,870.40-111,451,305.60-19,713,350.40

Finding the Fourth Proportional to 74,300,870.40, 111,451,305.60 and 19,713,350.40

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Solution

The fourth proportional to 74,300,870.40, 111,451,305.60 and 19,713,350.40 is: 29,570,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,300,870.40 : 111,451,305.60 = 19,713,350.40 : x
  2. Step 2: Convert to fraction form
    74,300,870.40/111,451,305.60 = 19,713,350.40/x
  3. Step 3: Cross multiply
    74,300,870.40x = 111,451,305.60 × 19,713,350.40
  4. Step 4: Simplify right side
    74,300,870.40x = 2,197,078,639,830,282
  5. Step 5: Solve for x
    x = 2,197,078,639,830,282/74,300,870.40
  6. Step 6: Final answer
    x = 29,570,025.60

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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.