Home / 79,223,999.40-119,024,955.90-70,909,900.20

Finding the Fourth Proportional to 79,223,999.40, 119,024,955.90 and 70,909,900.20

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Solution

The fourth proportional to 79,223,999.40, 119,024,955.90 and 70,909,900.20 is: 106,533,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,223,999.40 : 119,024,955.90 = 70,909,900.20 : x
  2. Step 2: Convert to fraction form
    79,223,999.40/119,024,955.90 = 70,909,900.20/x
  3. Step 3: Cross multiply
    79,223,999.40x = 119,024,955.90 × 70,909,900.20
  4. Step 4: Simplify right side
    79,223,999.40x = 8,440,047,744,178,402
  5. Step 5: Solve for x
    x = 8,440,047,744,178,402/79,223,999.40
  6. Step 6: Final answer
    x = 106,533,977.18

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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.