Home / 66,426,856.20-99,640,284.30-48,287,003.40

Finding the Fourth Proportional to 66,426,856.20, 99,640,284.30 and 48,287,003.40

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Solution

The fourth proportional to 66,426,856.20, 99,640,284.30 and 48,287,003.40 is: 72,430,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426,856.20 : 99,640,284.30 = 48,287,003.40 : x
  2. Step 2: Convert to fraction form
    66,426,856.20/99,640,284.30 = 48,287,003.40/x
  3. Step 3: Cross multiply
    66,426,856.20x = 99,640,284.30 × 48,287,003.40
  4. Step 4: Simplify right side
    66,426,856.20x = 4,811,330,746,771,066
  5. Step 5: Solve for x
    x = 4,811,330,746,771,066/66,426,856.20
  6. Step 6: Final answer
    x = 72,430,505.10

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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.