Home / 67,068,118.80-100,602,178.20-66,430,389.60

Finding the Fourth Proportional to 67,068,118.80, 100,602,178.20 and 66,430,389.60

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Solution

The fourth proportional to 67,068,118.80, 100,602,178.20 and 66,430,389.60 is: 99,645,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,118.80 : 100,602,178.20 = 66,430,389.60 : x
  2. Step 2: Convert to fraction form
    67,068,118.80/100,602,178.20 = 66,430,389.60/x
  3. Step 3: Cross multiply
    67,068,118.80x = 100,602,178.20 × 66,430,389.60
  4. Step 4: Simplify right side
    67,068,118.80x = 6,683,041,892,434,627
  5. Step 5: Solve for x
    x = 6,683,041,892,434,627/67,068,118.80
  6. Step 6: Final answer
    x = 99,645,584.40

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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.