Home / 52,154,364.40-78,228,047.40-13,815,055.60

Finding the Fourth Proportional to 52,154,364.40, 78,228,047.40 and 13,815,055.60

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Solution

The fourth proportional to 52,154,364.40, 78,228,047.40 and 13,815,055.60 is: 20,721,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,154,364.40 : 78,228,047.40 = 13,815,055.60 : x
  2. Step 2: Convert to fraction form
    52,154,364.40/78,228,047.40 = 13,815,055.60/x
  3. Step 3: Cross multiply
    52,154,364.40x = 78,228,047.40 × 13,815,055.60
  4. Step 4: Simplify right side
    52,154,364.40x = 1,080,724,824,310,435.50
  5. Step 5: Solve for x
    x = 1,080,724,824,310,435.50/52,154,364.40
  6. Step 6: Final answer
    x = 20,721,656.50

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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.