Home / 86,230,909.40-129,346,364.10-43,106,768.60

Finding the Fourth Proportional to 86,230,909.40, 129,346,364.10 and 43,106,768.60

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Solution

The fourth proportional to 86,230,909.40, 129,346,364.10 and 43,106,768.60 is: 64,660,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,230,909.40 : 129,346,364.10 = 43,106,768.60 : x
  2. Step 2: Convert to fraction form
    86,230,909.40/129,346,364.10 = 43,106,768.60/x
  3. Step 3: Cross multiply
    86,230,909.40x = 129,346,364.10 × 43,106,768.60
  4. Step 4: Simplify right side
    86,230,909.40x = 5,575,703,786,510,047
  5. Step 5: Solve for x
    x = 5,575,703,786,510,047/86,230,909.40
  6. Step 6: Final answer
    x = 64,660,152.90

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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.