Home / 74,430,322.20-111,678,660.90-34,020,005.40

Finding the Fourth Proportional to 74,430,322.20, 111,678,660.90 and 34,020,005.40

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Solution

The fourth proportional to 74,430,322.20, 111,678,660.90 and 34,020,005.40 is: 51,045,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,430,322.20 : 111,678,660.90 = 34,020,005.40 : x
  2. Step 2: Convert to fraction form
    74,430,322.20/111,678,660.90 = 34,020,005.40/x
  3. Step 3: Cross multiply
    74,430,322.20x = 111,678,660.90 × 34,020,005.40
  4. Step 4: Simplify right side
    74,430,322.20x = 3,799,308,646,882,769
  5. Step 5: Solve for x
    x = 3,799,308,646,882,769/74,430,322.20
  6. Step 6: Final answer
    x = 51,045,172.65

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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.