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Finding the Fourth Proportional to 84,730,602.60, 127,095,903.90 and 84,730,602.60

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Solution

The fourth proportional to 84,730,602.60, 127,095,903.90 and 84,730,602.60 is: 127,095,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,730,602.60 : 127,095,903.90 = 84,730,602.60 : x
  2. Step 2: Convert to fraction form
    84,730,602.60/127,095,903.90 = 84,730,602.60/x
  3. Step 3: Cross multiply
    84,730,602.60x = 127,095,903.90 × 84,730,602.60
  4. Step 4: Simplify right side
    84,730,602.60x = 10,768,912,525,438,690
  5. Step 5: Solve for x
    x = 10,768,912,525,438,690/84,730,602.60
  6. Step 6: Final answer
    x = 127,095,903.90

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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.