Home / 64,547,670.97-89,073,507.11-35,178,420.63

Finding the Fourth Proportional to 64,547,670.97, 89,073,507.11 and 35,178,420.63

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Solution

The fourth proportional to 64,547,670.97, 89,073,507.11 and 35,178,420.63 is: 48,544,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,547,670.97 : 89,073,507.11 = 35,178,420.63 : x
  2. Step 2: Convert to fraction form
    64,547,670.97/89,073,507.11 = 35,178,420.63/x
  3. Step 3: Cross multiply
    64,547,670.97x = 89,073,507.11 × 35,178,420.63
  4. Step 4: Simplify right side
    64,547,670.97x = 3,133,465,300,104,876
  5. Step 5: Solve for x
    x = 3,133,465,300,104,876/64,547,670.97
  6. Step 6: Final answer
    x = 48,544,978.51

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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.