Home / 129,036,462.40-193,554,693.60-57,232,878.40

Finding the Fourth Proportional to 129,036,462.40, 193,554,693.60 and 57,232,878.40

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Solution

The fourth proportional to 129,036,462.40, 193,554,693.60 and 57,232,878.40 is: 85,849,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,036,462.40 : 193,554,693.60 = 57,232,878.40 : x
  2. Step 2: Convert to fraction form
    129,036,462.40/193,554,693.60 = 57,232,878.40/x
  3. Step 3: Cross multiply
    129,036,462.40x = 193,554,693.60 × 57,232,878.40
  4. Step 4: Simplify right side
    129,036,462.40x = 11,077,692,242,558,058
  5. Step 5: Solve for x
    x = 11,077,692,242,558,058/129,036,462.40
  6. Step 6: Final answer
    x = 85,849,317.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.