Home / 113,484,620.70-170,226,931.05-78,847,206.30

Finding the Fourth Proportional to 113,484,620.70, 170,226,931.05 and 78,847,206.30

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Solution

The fourth proportional to 113,484,620.70, 170,226,931.05 and 78,847,206.30 is: 118,270,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,484,620.70 : 170,226,931.05 = 78,847,206.30 : x
  2. Step 2: Convert to fraction form
    113,484,620.70/170,226,931.05 = 78,847,206.30/x
  3. Step 3: Cross multiply
    113,484,620.70x = 170,226,931.05 × 78,847,206.30
  4. Step 4: Simplify right side
    113,484,620.70x = 13,421,917,950,315,226
  5. Step 5: Solve for x
    x = 13,421,917,950,315,226/113,484,620.70
  6. Step 6: Final answer
    x = 118,270,809.45

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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.