Home / 125,824,235.60-188,358,439.80-74,679,928.40

Finding the Fourth Proportional to 125,824,235.60, 188,358,439.80 and 74,679,928.40

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Solution

The fourth proportional to 125,824,235.60, 188,358,439.80 and 74,679,928.40 is: 111,795,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,824,235.60 : 188,358,439.80 = 74,679,928.40 : x
  2. Step 2: Convert to fraction form
    125,824,235.60/188,358,439.80 = 74,679,928.40/x
  3. Step 3: Cross multiply
    125,824,235.60x = 188,358,439.80 × 74,679,928.40
  4. Step 4: Simplify right side
    125,824,235.60x = 14,066,594,797,799,712
  5. Step 5: Solve for x
    x = 14,066,594,797,799,712/125,824,235.60
  6. Step 6: Final answer
    x = 111,795,591.13

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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.