Home / 89,510,654.92-134,285,647.02-53,152,256.20

Finding the Fourth Proportional to 89,510,654.92, 134,285,647.02 and 53,152,256.20

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Solution

The fourth proportional to 89,510,654.92, 134,285,647.02 and 53,152,256.20 is: 79,740,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,510,654.92 : 134,285,647.02 = 53,152,256.20 : x
  2. Step 2: Convert to fraction form
    89,510,654.92/134,285,647.02 = 53,152,256.20/x
  3. Step 3: Cross multiply
    89,510,654.92x = 134,285,647.02 × 53,152,256.20
  4. Step 4: Simplify right side
    89,510,654.92x = 7,137,585,114,389,807
  5. Step 5: Solve for x
    x = 7,137,585,114,389,807/89,510,654.92
  6. Step 6: Final answer
    x = 79,740,061.35

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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.