Home / 77,920,341.60-116,880,512.40-35,370,069.60

Finding the Fourth Proportional to 77,920,341.60, 116,880,512.40 and 35,370,069.60

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Solution

The fourth proportional to 77,920,341.60, 116,880,512.40 and 35,370,069.60 is: 53,055,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,920,341.60 : 116,880,512.40 = 35,370,069.60 : x
  2. Step 2: Convert to fraction form
    77,920,341.60/116,880,512.40 = 35,370,069.60/x
  3. Step 3: Cross multiply
    77,920,341.60x = 116,880,512.40 × 35,370,069.60
  4. Step 4: Simplify right side
    77,920,341.60x = 4,134,071,858,471,663.50
  5. Step 5: Solve for x
    x = 4,134,071,858,471,663.50/77,920,341.60
  6. Step 6: Final answer
    x = 53,055,104.40

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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.