Home / 124,586,521.20-186,878,032.20-56,429,103.60

Finding the Fourth Proportional to 124,586,521.20, 186,878,032.20 and 56,429,103.60

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Solution

The fourth proportional to 124,586,521.20, 186,878,032.20 and 56,429,103.60 is: 84,642,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,586,521.20 : 186,878,032.20 = 56,429,103.60 : x
  2. Step 2: Convert to fraction form
    124,586,521.20/186,878,032.20 = 56,429,103.60/x
  3. Step 3: Cross multiply
    124,586,521.20x = 186,878,032.20 × 56,429,103.60
  4. Step 4: Simplify right side
    124,586,521.20x = 10,545,359,839,577,936
  5. Step 5: Solve for x
    x = 10,545,359,839,577,936/124,586,521.20
  6. Step 6: Final answer
    x = 84,642,862.95

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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.