Home / 97,086,677.20-145,630,015.80-87,344,904.40

Finding the Fourth Proportional to 97,086,677.20, 145,630,015.80 and 87,344,904.40

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Solution

The fourth proportional to 97,086,677.20, 145,630,015.80 and 87,344,904.40 is: 131,017,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,086,677.20 : 145,630,015.80 = 87,344,904.40 : x
  2. Step 2: Convert to fraction form
    97,086,677.20/145,630,015.80 = 87,344,904.40/x
  3. Step 3: Cross multiply
    97,086,677.20x = 145,630,015.80 × 87,344,904.40
  4. Step 4: Simplify right side
    97,086,677.20x = 12,720,039,807,821,492
  5. Step 5: Solve for x
    x = 12,720,039,807,821,492/97,086,677.20
  6. Step 6: Final answer
    x = 131,017,356.60

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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.