Home / 94,020,072.80-141,030,109.20-61,771,445.60

Finding the Fourth Proportional to 94,020,072.80, 141,030,109.20 and 61,771,445.60

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Solution

The fourth proportional to 94,020,072.80, 141,030,109.20 and 61,771,445.60 is: 92,657,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,020,072.80 : 141,030,109.20 = 61,771,445.60 : x
  2. Step 2: Convert to fraction form
    94,020,072.80/141,030,109.20 = 61,771,445.60/x
  3. Step 3: Cross multiply
    94,020,072.80x = 141,030,109.20 × 61,771,445.60
  4. Step 4: Simplify right side
    94,020,072.80x = 8,711,633,718,409,859
  5. Step 5: Solve for x
    x = 8,711,633,718,409,859/94,020,072.80
  6. Step 6: Final answer
    x = 92,657,168.40

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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.