Home / 127,316,493.40-190,838,772.78-72,611,285.32

Finding the Fourth Proportional to 127,316,493.40, 190,838,772.78 and 72,611,285.32

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Solution

The fourth proportional to 127,316,493.40, 190,838,772.78 and 72,611,285.32 is: 108,839,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,316,493.40 : 190,838,772.78 = 72,611,285.32 : x
  2. Step 2: Convert to fraction form
    127,316,493.40/190,838,772.78 = 72,611,285.32/x
  3. Step 3: Cross multiply
    127,316,493.40x = 190,838,772.78 × 72,611,285.32
  4. Step 4: Simplify right side
    127,316,493.40x = 13,857,048,580,447,228
  5. Step 5: Solve for x
    x = 13,857,048,580,447,228/127,316,493.40
  6. Step 6: Final answer
    x = 108,839,382.95

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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.