Home / 55,053,457-75,861,731.46-42,587,829.16

Finding the Fourth Proportional to 55,053,457, 75,861,731.46 and 42,587,829.16

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Solution

The fourth proportional to 55,053,457, 75,861,731.46 and 42,587,829.16 is: 58,684,533.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053,457 : 75,861,731.46 = 42,587,829.16 : x
  2. Step 2: Convert to fraction form
    55,053,457/75,861,731.46 = 42,587,829.16/x
  3. Step 3: Cross multiply
    55,053,457x = 75,861,731.46 × 42,587,829.16
  4. Step 4: Simplify right side
    55,053,457x = 3,230,786,459,200,277
  5. Step 5: Solve for x
    x = 3,230,786,459,200,277/55,053,457
  6. Step 6: Final answer
    x = 58,684,533.82

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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.