Home / 70,185,880.40-105,278,820.60-36,173,656.40

Finding the Fourth Proportional to 70,185,880.40, 105,278,820.60 and 36,173,656.40

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Solution

The fourth proportional to 70,185,880.40, 105,278,820.60 and 36,173,656.40 is: 54,260,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,185,880.40 : 105,278,820.60 = 36,173,656.40 : x
  2. Step 2: Convert to fraction form
    70,185,880.40/105,278,820.60 = 36,173,656.40/x
  3. Step 3: Cross multiply
    70,185,880.40x = 105,278,820.60 × 36,173,656.40
  4. Step 4: Simplify right side
    70,185,880.40x = 3,808,319,882,581,641.50
  5. Step 5: Solve for x
    x = 3,808,319,882,581,641.50/70,185,880.40
  6. Step 6: Final answer
    x = 54,260,484.60

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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.