Home / 90,101,137,602.69-124,339,693,020.93-48,901,518,008.55

Finding the Fourth Proportional to 90,101,137,602.69, 124,339,693,020.93 and 48,901,518,008.55

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Solution

The fourth proportional to 90,101,137,602.69, 124,339,693,020.93 and 48,901,518,008.55 is: 67,484,161,678.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,101,137,602.69 : 124,339,693,020.93 = 48,901,518,008.55 : x
  2. Step 2: Convert to fraction form
    90,101,137,602.69/124,339,693,020.93 = 48,901,518,008.55/x
  3. Step 3: Cross multiply
    90,101,137,602.69x = 124,339,693,020.93 × 48,901,518,008.55
  4. Step 4: Simplify right side
    90,101,137,602.69x = 6,080,399,737,440,587,218,944
  5. Step 5: Solve for x
    x = 6,080,399,737,440,587,218,944/90,101,137,602.69
  6. Step 6: Final answer
    x = 67,484,161,678.99

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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.