Home / 163,960,439.80-245,905,230.30-71,843,999.80

Finding the Fourth Proportional to 163,960,439.80, 245,905,230.30 and 71,843,999.80

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Solution

The fourth proportional to 163,960,439.80, 245,905,230.30 and 71,843,999.80 is: 107,750,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,960,439.80 : 245,905,230.30 = 71,843,999.80 : x
  2. Step 2: Convert to fraction form
    163,960,439.80/245,905,230.30 = 71,843,999.80/x
  3. Step 3: Cross multiply
    163,960,439.80x = 245,905,230.30 × 71,843,999.80
  4. Step 4: Simplify right side
    163,960,439.80x = 17,666,815,316,492,154
  5. Step 5: Solve for x
    x = 17,666,815,316,492,154/163,960,439.80
  6. Step 6: Final answer
    x = 107,750,475.29

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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.