Home / 423,557,430.40-635,336,145.60-116,849,051.20

Finding the Fourth Proportional to 423,557,430.40, 635,336,145.60 and 116,849,051.20

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Solution

The fourth proportional to 423,557,430.40, 635,336,145.60 and 116,849,051.20 is: 175,273,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,557,430.40 : 635,336,145.60 = 116,849,051.20 : x
  2. Step 2: Convert to fraction form
    423,557,430.40/635,336,145.60 = 116,849,051.20/x
  3. Step 3: Cross multiply
    423,557,430.40x = 635,336,145.60 × 116,849,051.20
  4. Step 4: Simplify right side
    423,557,430.40x = 74,238,425,806,425,056
  5. Step 5: Solve for x
    x = 74,238,425,806,425,056/423,557,430.40
  6. Step 6: Final answer
    x = 175,273,576.80

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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.