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Finding the Fourth Proportional to 91,570,251,191.40, 137,355,376,787.19 and 91,570,251,191.40

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Solution

The fourth proportional to 91,570,251,191.40, 137,355,376,787.19 and 91,570,251,191.40 is: 137,355,376,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,570,251,191.40 : 137,355,376,787.19 = 91,570,251,191.40 : x
  2. Step 2: Convert to fraction form
    91,570,251,191.40/137,355,376,787.19 = 91,570,251,191.40/x
  3. Step 3: Cross multiply
    91,570,251,191.40x = 137,355,376,787.19 × 91,570,251,191.40
  4. Step 4: Simplify right side
    91,570,251,191.40x = 12,577,666,354,892,381,356,032
  5. Step 5: Solve for x
    x = 12,577,666,354,892,381,356,032/91,570,251,191.40
  6. Step 6: Final answer
    x = 137,355,376,787.19

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1.5x scale

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.