Home / 90,101,137,601.19-124,339,693,018.85-48,901,518,007.05

Finding the Fourth Proportional to 90,101,137,601.19, 124,339,693,018.85 and 48,901,518,007.05

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Solution

The fourth proportional to 90,101,137,601.19, 124,339,693,018.85 and 48,901,518,007.05 is: 67,484,161,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,101,137,601.19 : 124,339,693,018.85 = 48,901,518,007.05 : x
  2. Step 2: Convert to fraction form
    90,101,137,601.19/124,339,693,018.85 = 48,901,518,007.05/x
  3. Step 3: Cross multiply
    90,101,137,601.19x = 124,339,693,018.85 × 48,901,518,007.05
  4. Step 4: Simplify right side
    90,101,137,601.19x = 6,080,399,737,152,363,036,672
  5. Step 5: Solve for x
    x = 6,080,399,737,152,363,036,672/90,101,137,601.19
  6. Step 6: Final answer
    x = 67,484,161,676.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.