Home / 74,669,567.40-112,004,351.10-70,134,604.20

Finding the Fourth Proportional to 74,669,567.40, 112,004,351.10 and 70,134,604.20

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Solution

The fourth proportional to 74,669,567.40, 112,004,351.10 and 70,134,604.20 is: 105,201,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669,567.40 : 112,004,351.10 = 70,134,604.20 : x
  2. Step 2: Convert to fraction form
    74,669,567.40/112,004,351.10 = 70,134,604.20/x
  3. Step 3: Cross multiply
    74,669,567.40x = 112,004,351.10 × 70,134,604.20
  4. Step 4: Simplify right side
    74,669,567.40x = 7,855,380,833,076,335
  5. Step 5: Solve for x
    x = 7,855,380,833,076,335/74,669,567.40
  6. Step 6: Final answer
    x = 105,201,906.30

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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.