Home / 78,806,186.50-118,106,746.28-32,065,200.58

Finding the Fourth Proportional to 78,806,186.50, 118,106,746.28 and 32,065,200.58

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Solution

The fourth proportional to 78,806,186.50, 118,106,746.28 and 32,065,200.58 is: 48,056,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,806,186.50 : 118,106,746.28 = 32,065,200.58 : x
  2. Step 2: Convert to fraction form
    78,806,186.50/118,106,746.28 = 32,065,200.58/x
  3. Step 3: Cross multiply
    78,806,186.50x = 118,106,746.28 × 32,065,200.58
  4. Step 4: Simplify right side
    78,806,186.50x = 3,787,116,509,319,368.50
  5. Step 5: Solve for x
    x = 3,787,116,509,319,368.50/78,806,186.50
  6. Step 6: Final answer
    x = 48,056,081.35

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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.