Home / 74,680,671.60-112,021,007.40-17,946,975.60

Finding the Fourth Proportional to 74,680,671.60, 112,021,007.40 and 17,946,975.60

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Solution

The fourth proportional to 74,680,671.60, 112,021,007.40 and 17,946,975.60 is: 26,920,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680,671.60 : 112,021,007.40 = 17,946,975.60 : x
  2. Step 2: Convert to fraction form
    74,680,671.60/112,021,007.40 = 17,946,975.60/x
  3. Step 3: Cross multiply
    74,680,671.60x = 112,021,007.40 × 17,946,975.60
  4. Step 4: Simplify right side
    74,680,671.60x = 2,010,438,286,495,219.75
  5. Step 5: Solve for x
    x = 2,010,438,286,495,219.75/74,680,671.60
  6. Step 6: Final answer
    x = 26,920,463.40

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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.