Home / 78,495,316.84-117,746,222.01-23,163,152.50

Finding the Fourth Proportional to 78,495,316.84, 117,746,222.01 and 23,163,152.50

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Solution

The fourth proportional to 78,495,316.84, 117,746,222.01 and 23,163,152.50 is: 34,745,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,495,316.84 : 117,746,222.01 = 23,163,152.50 : x
  2. Step 2: Convert to fraction form
    78,495,316.84/117,746,222.01 = 23,163,152.50/x
  3. Step 3: Cross multiply
    78,495,316.84x = 117,746,222.01 × 23,163,152.50
  4. Step 4: Simplify right side
    78,495,316.84x = 2,727,373,696,716,486.50
  5. Step 5: Solve for x
    x = 2,727,373,696,716,486.50/78,495,316.84
  6. Step 6: Final answer
    x = 34,745,686.83

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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.