Home / 153,814,130.28-212,263,484.04-84,199,558.32

Finding the Fourth Proportional to 153,814,130.28, 212,263,484.04 and 84,199,558.32

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Solution

The fourth proportional to 153,814,130.28, 212,263,484.04 and 84,199,558.32 is: 116,195,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,814,130.28 : 212,263,484.04 = 84,199,558.32 : x
  2. Step 2: Convert to fraction form
    153,814,130.28/212,263,484.04 = 84,199,558.32/x
  3. Step 3: Cross multiply
    153,814,130.28x = 212,263,484.04 × 84,199,558.32
  4. Step 4: Simplify right side
    153,814,130.28x = 17,872,491,603,632,366
  5. Step 5: Solve for x
    x = 17,872,491,603,632,366/153,814,130.28
  6. Step 6: Final answer
    x = 116,195,381.86

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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.