Home / 122,762,803,715.68-169,410,880,893.36-68,570,123,490.40

Finding the Fourth Proportional to 122,762,803,715.68, 169,410,880,893.36 and 68,570,123,490.40

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Solution

The fourth proportional to 122,762,803,715.68, 169,410,880,893.36 and 68,570,123,490.40 is: 94,625,771,584.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,762,803,715.68 : 169,410,880,893.36 = 68,570,123,490.40 : x
  2. Step 2: Convert to fraction form
    122,762,803,715.68/169,410,880,893.36 = 68,570,123,490.40/x
  3. Step 3: Cross multiply
    122,762,803,715.68x = 169,410,880,893.36 × 68,570,123,490.40
  4. Step 4: Simplify right side
    122,762,803,715.68x = 11,616,525,023,475,140,657,152
  5. Step 5: Solve for x
    x = 11,616,525,023,475,140,657,152/122,762,803,715.68
  6. Step 6: Final answer
    x = 94,625,771,584.52

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1.5x scale

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.