Home / 86,185,106.73-129,276,808.11-39,485,345.94

Finding the Fourth Proportional to 86,185,106.73, 129,276,808.11 and 39,485,345.94

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Solution

The fourth proportional to 86,185,106.73, 129,276,808.11 and 39,485,345.94 is: 59,227,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,185,106.73 : 129,276,808.11 = 39,485,345.94 : x
  2. Step 2: Convert to fraction form
    86,185,106.73/129,276,808.11 = 39,485,345.94/x
  3. Step 3: Cross multiply
    86,185,106.73x = 129,276,808.11 × 39,485,345.94
  4. Step 4: Simplify right side
    86,185,106.73x = 5,104,539,490,242,347
  5. Step 5: Solve for x
    x = 5,104,539,490,242,347/86,185,106.73
  6. Step 6: Final answer
    x = 59,227,628.58

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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.