Home / 77,768,819.40-116,571,752.34-36,235,448.94

Finding the Fourth Proportional to 77,768,819.40, 116,571,752.34 and 36,235,448.94

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Solution

The fourth proportional to 77,768,819.40, 116,571,752.34 and 36,235,448.94 is: 54,315,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,768,819.40 : 116,571,752.34 = 36,235,448.94 : x
  2. Step 2: Convert to fraction form
    77,768,819.40/116,571,752.34 = 36,235,448.94/x
  3. Step 3: Cross multiply
    77,768,819.40x = 116,571,752.34 × 36,235,448.94
  4. Step 4: Simplify right side
    77,768,819.40x = 4,224,029,779,762,395.50
  5. Step 5: Solve for x
    x = 4,224,029,779,762,395.50/77,768,819.40
  6. Step 6: Final answer
    x = 54,315,210.29

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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.