Home / 142,548,128.04-196,716,408.66-77,358,032.04

Finding the Fourth Proportional to 142,548,128.04, 196,716,408.66 and 77,358,032.04

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Solution

The fourth proportional to 142,548,128.04, 196,716,408.66 and 77,358,032.04 is: 106,754,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,548,128.04 : 196,716,408.66 = 77,358,032.04 : x
  2. Step 2: Convert to fraction form
    142,548,128.04/196,716,408.66 = 77,358,032.04/x
  3. Step 3: Cross multiply
    142,548,128.04x = 196,716,408.66 × 77,358,032.04
  4. Step 4: Simplify right side
    142,548,128.04x = 15,217,594,243,914,014
  5. Step 5: Solve for x
    x = 15,217,594,243,914,014/142,548,128.04
  6. Step 6: Final answer
    x = 106,754,079.85

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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.