Home / 113,484,621.20-170,226,931.80-78,847,206.80

Finding the Fourth Proportional to 113,484,621.20, 170,226,931.80 and 78,847,206.80

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Solution

The fourth proportional to 113,484,621.20, 170,226,931.80 and 78,847,206.80 is: 118,270,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,484,621.20 : 170,226,931.80 = 78,847,206.80 : x
  2. Step 2: Convert to fraction form
    113,484,621.20/170,226,931.80 = 78,847,206.80/x
  3. Step 3: Cross multiply
    113,484,621.20x = 170,226,931.80 × 78,847,206.80
  4. Step 4: Simplify right side
    113,484,621.20x = 13,421,918,094,564,096
  5. Step 5: Solve for x
    x = 13,421,918,094,564,096/113,484,621.20
  6. Step 6: Final answer
    x = 118,270,810.20

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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.