Home / 146,619,850,857.12-219,811,092,779.78-45,838,842,428.98

Finding the Fourth Proportional to 146,619,850,857.12, 219,811,092,779.78 and 45,838,842,428.98

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Solution

The fourth proportional to 146,619,850,857.12, 219,811,092,779.78 and 45,838,842,428.98 is: 68,721,158,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,619,850,857.12 : 219,811,092,779.78 = 45,838,842,428.98 : x
  2. Step 2: Convert to fraction form
    146,619,850,857.12/219,811,092,779.78 = 45,838,842,428.98/x
  3. Step 3: Cross multiply
    146,619,850,857.12x = 219,811,092,779.78 × 45,838,842,428.98
  4. Step 4: Simplify right side
    146,619,850,857.12x = 10,075,886,046,073,797,476,352
  5. Step 5: Solve for x
    x = 10,075,886,046,073,797,476,352/146,619,850,857.12
  6. Step 6: Final answer
    x = 68,721,158,746.05

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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.