Home / 124,216,469.95-171,411,732.04-68,461,720.51

Finding the Fourth Proportional to 124,216,469.95, 171,411,732.04 and 68,461,720.51

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Solution

The fourth proportional to 124,216,469.95, 171,411,732.04 and 68,461,720.51 is: 94,473,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,216,469.95 : 171,411,732.04 = 68,461,720.51 : x
  2. Step 2: Convert to fraction form
    124,216,469.95/171,411,732.04 = 68,461,720.51/x
  3. Step 3: Cross multiply
    124,216,469.95x = 171,411,732.04 × 68,461,720.51
  4. Step 4: Simplify right side
    124,216,469.95x = 11,735,142,091,057,492
  5. Step 5: Solve for x
    x = 11,735,142,091,057,492/124,216,469.95
  6. Step 6: Final answer
    x = 94,473,318.20

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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.