Home / 99,163,039.80-148,744,559.70-68,552,038.20

Finding the Fourth Proportional to 99,163,039.80, 148,744,559.70 and 68,552,038.20

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Solution

The fourth proportional to 99,163,039.80, 148,744,559.70 and 68,552,038.20 is: 102,828,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,163,039.80 : 148,744,559.70 = 68,552,038.20 : x
  2. Step 2: Convert to fraction form
    99,163,039.80/148,744,559.70 = 68,552,038.20/x
  3. Step 3: Cross multiply
    99,163,039.80x = 148,744,559.70 × 68,552,038.20
  4. Step 4: Simplify right side
    99,163,039.80x = 10,196,742,738,596,580
  5. Step 5: Solve for x
    x = 10,196,742,738,596,580/99,163,039.80
  6. Step 6: Final answer
    x = 102,828,057.30

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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.