Home / 40,885,430.40-61,328,145.60-25,768,886.40

Finding the Fourth Proportional to 40,885,430.40, 61,328,145.60 and 25,768,886.40

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Solution

The fourth proportional to 40,885,430.40, 61,328,145.60 and 25,768,886.40 is: 38,653,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,885,430.40 : 61,328,145.60 = 25,768,886.40 : x
  2. Step 2: Convert to fraction form
    40,885,430.40/61,328,145.60 = 25,768,886.40/x
  3. Step 3: Cross multiply
    40,885,430.40x = 61,328,145.60 × 25,768,886.40
  4. Step 4: Simplify right side
    40,885,430.40x = 1,580,358,017,089,059.75
  5. Step 5: Solve for x
    x = 1,580,358,017,089,059.75/40,885,430.40
  6. Step 6: Final answer
    x = 38,653,329.60

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1.5x scale

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.