Home / 89,900,388,972.15-124,046,768,737.78-51,301,685,653.08

Finding the Fourth Proportional to 89,900,388,972.15, 124,046,768,737.78 and 51,301,685,653.08

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Solution

The fourth proportional to 89,900,388,972.15, 124,046,768,737.78 and 51,301,685,653.08 is: 70,787,328,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,900,388,972.15 : 124,046,768,737.78 = 51,301,685,653.08 : x
  2. Step 2: Convert to fraction form
    89,900,388,972.15/124,046,768,737.78 = 51,301,685,653.08/x
  3. Step 3: Cross multiply
    89,900,388,972.15x = 124,046,768,737.78 × 51,301,685,653.08
  4. Step 4: Simplify right side
    89,900,388,972.15x = 6,363,808,336,065,900,576,768
  5. Step 5: Solve for x
    x = 6,363,808,336,065,900,576,768/89,900,388,972.15
  6. Step 6: Final answer
    x = 70,787,328,162.03

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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.