Home / 86,018,721,918.77-128,992,583,083.91-29,363,148,319.05

Finding the Fourth Proportional to 86,018,721,918.77, 128,992,583,083.91 and 29,363,148,319.05

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Solution

The fourth proportional to 86,018,721,918.77, 128,992,583,083.91 and 29,363,148,319.05 is: 44,032,604,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,018,721,918.77 : 128,992,583,083.91 = 29,363,148,319.05 : x
  2. Step 2: Convert to fraction form
    86,018,721,918.77/128,992,583,083.91 = 29,363,148,319.05/x
  3. Step 3: Cross multiply
    86,018,721,918.77x = 128,992,583,083.91 × 29,363,148,319.05
  4. Step 4: Simplify right side
    86,018,721,918.77x = 3,787,628,349,150,229,168,128
  5. Step 5: Solve for x
    x = 3,787,628,349,150,229,168,128/86,018,721,918.77
  6. Step 6: Final answer
    x = 44,032,604,352.42

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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.