Home / 55,717,416.02-76,890,033.72-31,271,130.02

Finding the Fourth Proportional to 55,717,416.02, 76,890,033.72 and 31,271,130.02

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Solution

The fourth proportional to 55,717,416.02, 76,890,033.72 and 31,271,130.02 is: 43,154,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,717,416.02 : 76,890,033.72 = 31,271,130.02 : x
  2. Step 2: Convert to fraction form
    55,717,416.02/76,890,033.72 = 31,271,130.02/x
  3. Step 3: Cross multiply
    55,717,416.02x = 76,890,033.72 × 31,271,130.02
  4. Step 4: Simplify right side
    55,717,416.02x = 2,404,438,241,315,854
  5. Step 5: Solve for x
    x = 2,404,438,241,315,854/55,717,416.02
  6. Step 6: Final answer
    x = 43,154,159.21

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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.