Home / 104,819,509,577.40-157,229,264,366.10-86,208,020,604.60

Finding the Fourth Proportional to 104,819,509,577.40, 157,229,264,366.10 and 86,208,020,604.60

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Solution

The fourth proportional to 104,819,509,577.40, 157,229,264,366.10 and 86,208,020,604.60 is: 129,312,030,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,819,509,577.40 : 157,229,264,366.10 = 86,208,020,604.60 : x
  2. Step 2: Convert to fraction form
    104,819,509,577.40/157,229,264,366.10 = 86,208,020,604.60/x
  3. Step 3: Cross multiply
    104,819,509,577.40x = 157,229,264,366.10 × 86,208,020,604.60
  4. Step 4: Simplify right side
    104,819,509,577.40x = 13,554,423,662,118,850,002,944
  5. Step 5: Solve for x
    x = 13,554,423,662,118,850,002,944/104,819,509,577.40
  6. Step 6: Final answer
    x = 129,312,030,906.90

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1.5x scale

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.