Home / 74,669,585.40-112,004,378.10-70,134,622.20

Finding the Fourth Proportional to 74,669,585.40, 112,004,378.10 and 70,134,622.20

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Solution

The fourth proportional to 74,669,585.40, 112,004,378.10 and 70,134,622.20 is: 105,201,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669,585.40 : 112,004,378.10 = 70,134,622.20 : x
  2. Step 2: Convert to fraction form
    74,669,585.40/112,004,378.10 = 70,134,622.20/x
  3. Step 3: Cross multiply
    74,669,585.40x = 112,004,378.10 × 70,134,622.20
  4. Step 4: Simplify right side
    74,669,585.40x = 7,855,384,742,789,454
  5. Step 5: Solve for x
    x = 7,855,384,742,789,454/74,669,585.40
  6. Step 6: Final answer
    x = 105,201,933.30

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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.