Home / 64,470,412.20-96,705,618.30-21,920,140.20

Finding the Fourth Proportional to 64,470,412.20, 96,705,618.30 and 21,920,140.20

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Solution

The fourth proportional to 64,470,412.20, 96,705,618.30 and 21,920,140.20 is: 32,880,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,470,412.20 : 96,705,618.30 = 21,920,140.20 : x
  2. Step 2: Convert to fraction form
    64,470,412.20/96,705,618.30 = 21,920,140.20/x
  3. Step 3: Cross multiply
    64,470,412.20x = 96,705,618.30 × 21,920,140.20
  4. Step 4: Simplify right side
    64,470,412.20x = 2,119,800,711,263,685.50
  5. Step 5: Solve for x
    x = 2,119,800,711,263,685.50/64,470,412.20
  6. Step 6: Final answer
    x = 32,880,210.30

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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.