Home / 105,570,606,643.20-158,355,909,964.80-39,307,991,846.40

Finding the Fourth Proportional to 105,570,606,643.20, 158,355,909,964.80 and 39,307,991,846.40

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Solution

The fourth proportional to 105,570,606,643.20, 158,355,909,964.80 and 39,307,991,846.40 is: 58,961,987,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,570,606,643.20 : 158,355,909,964.80 = 39,307,991,846.40 : x
  2. Step 2: Convert to fraction form
    105,570,606,643.20/158,355,909,964.80 = 39,307,991,846.40/x
  3. Step 3: Cross multiply
    105,570,606,643.20x = 158,355,909,964.80 × 39,307,991,846.40
  4. Step 4: Simplify right side
    105,570,606,643.20x = 6,224,652,817,725,611,048,960
  5. Step 5: Solve for x
    x = 6,224,652,817,725,611,048,960/105,570,606,643.20
  6. Step 6: Final answer
    x = 58,961,987,769.60

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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.