Home / 70,459,552.40-105,689,328.60-40,226,464.40

Finding the Fourth Proportional to 70,459,552.40, 105,689,328.60 and 40,226,464.40

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Solution

The fourth proportional to 70,459,552.40, 105,689,328.60 and 40,226,464.40 is: 60,339,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,459,552.40 : 105,689,328.60 = 40,226,464.40 : x
  2. Step 2: Convert to fraction form
    70,459,552.40/105,689,328.60 = 40,226,464.40/x
  3. Step 3: Cross multiply
    70,459,552.40x = 105,689,328.60 × 40,226,464.40
  4. Step 4: Simplify right side
    70,459,552.40x = 4,251,508,014,387,801.50
  5. Step 5: Solve for x
    x = 4,251,508,014,387,801.50/70,459,552.40
  6. Step 6: Final answer
    x = 60,339,696.60

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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.