Home / 83,402,156.44-115,095,912.15-47,643,332.98

Finding the Fourth Proportional to 83,402,156.44, 115,095,912.15 and 47,643,332.98

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Solution

The fourth proportional to 83,402,156.44, 115,095,912.15 and 47,643,332.98 is: 65,748,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,402,156.44 : 115,095,912.15 = 47,643,332.98 : x
  2. Step 2: Convert to fraction form
    83,402,156.44/115,095,912.15 = 47,643,332.98/x
  3. Step 3: Cross multiply
    83,402,156.44x = 115,095,912.15 × 47,643,332.98
  4. Step 4: Simplify right side
    83,402,156.44x = 5,483,552,867,199,278
  5. Step 5: Solve for x
    x = 5,483,552,867,199,278/83,402,156.44
  6. Step 6: Final answer
    x = 65,748,334.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.