Home / 79,225,038.78-109,350,002.07-48,302,258.46

Finding the Fourth Proportional to 79,225,038.78, 109,350,002.07 and 48,302,258.46

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Solution

The fourth proportional to 79,225,038.78, 109,350,002.07 and 48,302,258.46 is: 66,668,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225,038.78 : 109,350,002.07 = 48,302,258.46 : x
  2. Step 2: Convert to fraction form
    79,225,038.78/109,350,002.07 = 48,302,258.46/x
  3. Step 3: Cross multiply
    79,225,038.78x = 109,350,002.07 × 48,302,258.46
  4. Step 4: Simplify right side
    79,225,038.78x = 5,281,852,062,586,675
  5. Step 5: Solve for x
    x = 5,281,852,062,586,675/79,225,038.78
  6. Step 6: Final answer
    x = 66,668,974.15

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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.