Home / 70,669,992.40-106,004,988.60-59,416,565.20

Finding the Fourth Proportional to 70,669,992.40, 106,004,988.60 and 59,416,565.20

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Solution

The fourth proportional to 70,669,992.40, 106,004,988.60 and 59,416,565.20 is: 89,124,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,669,992.40 : 106,004,988.60 = 59,416,565.20 : x
  2. Step 2: Convert to fraction form
    70,669,992.40/106,004,988.60 = 59,416,565.20/x
  3. Step 3: Cross multiply
    70,669,992.40x = 106,004,988.60 × 59,416,565.20
  4. Step 4: Simplify right side
    70,669,992.40x = 6,298,452,316,677,157
  5. Step 5: Solve for x
    x = 6,298,452,316,677,157/70,669,992.40
  6. Step 6: Final answer
    x = 89,124,847.80

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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.