Home / 122,963,796.02-169,689,626.52-67,209,184.16

Finding the Fourth Proportional to 122,963,796.02, 169,689,626.52 and 67,209,184.16

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Solution

The fourth proportional to 122,963,796.02, 169,689,626.52 and 67,209,184.16 is: 92,748,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,963,796.02 : 169,689,626.52 = 67,209,184.16 : x
  2. Step 2: Convert to fraction form
    122,963,796.02/169,689,626.52 = 67,209,184.16/x
  3. Step 3: Cross multiply
    122,963,796.02x = 169,689,626.52 × 67,209,184.16
  4. Step 4: Simplify right side
    122,963,796.02x = 11,404,701,357,975,852
  5. Step 5: Solve for x
    x = 11,404,701,357,975,852/122,963,796.02
  6. Step 6: Final answer
    x = 92,748,448.95

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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.