Home / 43,112,117.40-64,668,176.10-39,994,330.20

Finding the Fourth Proportional to 43,112,117.40, 64,668,176.10 and 39,994,330.20

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Solution

The fourth proportional to 43,112,117.40, 64,668,176.10 and 39,994,330.20 is: 59,991,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,112,117.40 : 64,668,176.10 = 39,994,330.20 : x
  2. Step 2: Convert to fraction form
    43,112,117.40/64,668,176.10 = 39,994,330.20/x
  3. Step 3: Cross multiply
    43,112,117.40x = 64,668,176.10 × 39,994,330.20
  4. Step 4: Simplify right side
    43,112,117.40x = 2,586,360,388,375,148.50
  5. Step 5: Solve for x
    x = 2,586,360,388,375,148.50/43,112,117.40
  6. Step 6: Final answer
    x = 59,991,495.30

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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.