Home / 70,928,291.52-106,411,391.28-25,490,479.68

Finding the Fourth Proportional to 70,928,291.52, 106,411,391.28 and 25,490,479.68

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Solution

The fourth proportional to 70,928,291.52, 106,411,391.28 and 25,490,479.68 is: 38,242,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,928,291.52 : 106,411,391.28 = 25,490,479.68 : x
  2. Step 2: Convert to fraction form
    70,928,291.52/106,411,391.28 = 25,490,479.68/x
  3. Step 3: Cross multiply
    70,928,291.52x = 106,411,391.28 × 25,490,479.68
  4. Step 4: Simplify right side
    70,928,291.52x = 2,712,477,407,143,369
  5. Step 5: Solve for x
    x = 2,712,477,407,143,369/70,928,291.52
  6. Step 6: Final answer
    x = 38,242,531.28

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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.