Home / 145,184,025.60-200,358,491.52-83,315,681.28

Finding the Fourth Proportional to 145,184,025.60, 200,358,491.52 and 83,315,681.28

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Solution

The fourth proportional to 145,184,025.60, 200,358,491.52 and 83,315,681.28 is: 114,978,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,184,025.60 : 200,358,491.52 = 83,315,681.28 : x
  2. Step 2: Convert to fraction form
    145,184,025.60/200,358,491.52 = 83,315,681.28/x
  3. Step 3: Cross multiply
    145,184,025.60x = 200,358,491.52 × 83,315,681.28
  4. Step 4: Simplify right side
    145,184,025.60x = 16,693,004,221,221,904
  5. Step 5: Solve for x
    x = 16,693,004,221,221,904/145,184,025.60
  6. Step 6: Final answer
    x = 114,978,243.32

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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.