Home / 118,087,121.60-177,130,682.40-70,311,377.60

Finding the Fourth Proportional to 118,087,121.60, 177,130,682.40 and 70,311,377.60

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Solution

The fourth proportional to 118,087,121.60, 177,130,682.40 and 70,311,377.60 is: 105,467,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,087,121.60 : 177,130,682.40 = 70,311,377.60 : x
  2. Step 2: Convert to fraction form
    118,087,121.60/177,130,682.40 = 70,311,377.60/x
  3. Step 3: Cross multiply
    118,087,121.60x = 177,130,682.40 × 70,311,377.60
  4. Step 4: Simplify right side
    118,087,121.60x = 12,454,302,294,772,074
  5. Step 5: Solve for x
    x = 12,454,302,294,772,074/118,087,121.60
  6. Step 6: Final answer
    x = 105,467,066.40

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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.