Home / 105,886,912.40-158,830,368.60-48,491,284.40

Finding the Fourth Proportional to 105,886,912.40, 158,830,368.60 and 48,491,284.40

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Solution

The fourth proportional to 105,886,912.40, 158,830,368.60 and 48,491,284.40 is: 72,736,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,886,912.40 : 158,830,368.60 = 48,491,284.40 : x
  2. Step 2: Convert to fraction form
    105,886,912.40/158,830,368.60 = 48,491,284.40/x
  3. Step 3: Cross multiply
    105,886,912.40x = 158,830,368.60 × 48,491,284.40
  4. Step 4: Simplify right side
    105,886,912.40x = 7,701,888,575,139,429
  5. Step 5: Solve for x
    x = 7,701,888,575,139,429/105,886,912.40
  6. Step 6: Final answer
    x = 72,736,926.60

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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.