Home / 75,697,569.66-104,462,565.92-40,890,254.52

Finding the Fourth Proportional to 75,697,569.66, 104,462,565.92 and 40,890,254.52

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Solution

The fourth proportional to 75,697,569.66, 104,462,565.92 and 40,890,254.52 is: 56,428,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,697,569.66 : 104,462,565.92 = 40,890,254.52 : x
  2. Step 2: Convert to fraction form
    75,697,569.66/104,462,565.92 = 40,890,254.52/x
  3. Step 3: Cross multiply
    75,697,569.66x = 104,462,565.92 × 40,890,254.52
  4. Step 4: Simplify right side
    75,697,569.66x = 4,271,500,908,076,627.50
  5. Step 5: Solve for x
    x = 4,271,500,908,076,627.50/75,697,569.66
  6. Step 6: Final answer
    x = 56,428,507.91

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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.