Home / 207,361,608.40-310,893,113.40-116,513,045.20

Finding the Fourth Proportional to 207,361,608.40, 310,893,113.40 and 116,513,045.20

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Solution

The fourth proportional to 207,361,608.40, 310,893,113.40 and 116,513,045.20 is: 174,685,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,361,608.40 : 310,893,113.40 = 116,513,045.20 : x
  2. Step 2: Convert to fraction form
    207,361,608.40/310,893,113.40 = 116,513,045.20/x
  3. Step 3: Cross multiply
    207,361,608.40x = 310,893,113.40 × 116,513,045.20
  4. Step 4: Simplify right side
    207,361,608.40x = 36,223,103,373,942,920
  5. Step 5: Solve for x
    x = 36,223,103,373,942,920/207,361,608.40
  6. Step 6: Final answer
    x = 174,685,679.06

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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.