Home / 75,749,034.66-104,533,712.59-42,258,513.84

Finding the Fourth Proportional to 75,749,034.66, 104,533,712.59 and 42,258,513.84

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Solution

The fourth proportional to 75,749,034.66, 104,533,712.59 and 42,258,513.84 is: 58,316,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,749,034.66 : 104,533,712.59 = 42,258,513.84 : x
  2. Step 2: Convert to fraction form
    75,749,034.66/104,533,712.59 = 42,258,513.84/x
  3. Step 3: Cross multiply
    75,749,034.66x = 104,533,712.59 × 42,258,513.84
  4. Step 4: Simplify right side
    75,749,034.66x = 4,417,439,340,019,805
  5. Step 5: Solve for x
    x = 4,417,439,340,019,805/75,749,034.66
  6. Step 6: Final answer
    x = 58,316,774.07

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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.