Home / 55,833,969.60-83,750,954.40-42,919,953.30

Finding the Fourth Proportional to 55,833,969.60, 83,750,954.40 and 42,919,953.30

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Solution

The fourth proportional to 55,833,969.60, 83,750,954.40 and 42,919,953.30 is: 64,379,929.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,833,969.60 : 83,750,954.40 = 42,919,953.30 : x
  2. Step 2: Convert to fraction form
    55,833,969.60/83,750,954.40 = 42,919,953.30/x
  3. Step 3: Cross multiply
    55,833,969.60x = 83,750,954.40 × 42,919,953.30
  4. Step 4: Simplify right side
    55,833,969.60x = 3,594,587,051,678,429.50
  5. Step 5: Solve for x
    x = 3,594,587,051,678,429.50/55,833,969.60
  6. Step 6: Final answer
    x = 64,379,929.95

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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.