Home / 124,574,466.40-186,805,712.40-47,872,002.40

Finding the Fourth Proportional to 124,574,466.40, 186,805,712.40 and 47,872,002.40

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Solution

The fourth proportional to 124,574,466.40, 186,805,712.40 and 47,872,002.40 is: 71,786,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,574,466.40 : 186,805,712.40 = 47,872,002.40 : x
  2. Step 2: Convert to fraction form
    124,574,466.40/186,805,712.40 = 47,872,002.40/x
  3. Step 3: Cross multiply
    124,574,466.40x = 186,805,712.40 × 47,872,002.40
  4. Step 4: Simplify right side
    124,574,466.40x = 8,942,763,512,346,510
  5. Step 5: Solve for x
    x = 8,942,763,512,346,510/124,574,466.40
  6. Step 6: Final answer
    x = 71,786,488.60

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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.