Home / 48,406,861.20-72,610,291.80-42,549,200.40

Finding the Fourth Proportional to 48,406,861.20, 72,610,291.80 and 42,549,200.40

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Solution

The fourth proportional to 48,406,861.20, 72,610,291.80 and 42,549,200.40 is: 63,823,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,406,861.20 : 72,610,291.80 = 42,549,200.40 : x
  2. Step 2: Convert to fraction form
    48,406,861.20/72,610,291.80 = 42,549,200.40/x
  3. Step 3: Cross multiply
    48,406,861.20x = 72,610,291.80 × 42,549,200.40
  4. Step 4: Simplify right side
    48,406,861.20x = 3,089,509,856,900,676.50
  5. Step 5: Solve for x
    x = 3,089,509,856,900,676.50/48,406,861.20
  6. Step 6: Final answer
    x = 63,823,800.60

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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.