Home / 257,779,104.56-355,736,643.72-140,304,154.40

Finding the Fourth Proportional to 257,779,104.56, 355,736,643.72 and 140,304,154.40

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Solution

The fourth proportional to 257,779,104.56, 355,736,643.72 and 140,304,154.40 is: 193,620,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,779,104.56 : 355,736,643.72 = 140,304,154.40 : x
  2. Step 2: Convert to fraction form
    257,779,104.56/355,736,643.72 = 140,304,154.40/x
  3. Step 3: Cross multiply
    257,779,104.56x = 355,736,643.72 × 140,304,154.40
  4. Step 4: Simplify right side
    257,779,104.56x = 49,911,328,986,228,680
  5. Step 5: Solve for x
    x = 49,911,328,986,228,680/257,779,104.56
  6. Step 6: Final answer
    x = 193,620,538.30

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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.