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Finding the Fourth Proportional to 60,284,328.60, 90,426,492.90 and 42,049,997.40

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Solution

The fourth proportional to 60,284,328.60, 90,426,492.90 and 42,049,997.40 is: 63,074,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,284,328.60 : 90,426,492.90 = 42,049,997.40 : x
  2. Step 2: Convert to fraction form
    60,284,328.60/90,426,492.90 = 42,049,997.40/x
  3. Step 3: Cross multiply
    60,284,328.60x = 90,426,492.90 × 42,049,997.40
  4. Step 4: Simplify right side
    60,284,328.60x = 3,802,433,791,336,118.50
  5. Step 5: Solve for x
    x = 3,802,433,791,336,118.50/60,284,328.60
  6. Step 6: Final answer
    x = 63,074,996.10

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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.