Home / 288,078,743.16-432,118,779.02-166,054,575.15

Finding the Fourth Proportional to 288,078,743.16, 432,118,779.02 and 166,054,575.15

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Solution

The fourth proportional to 288,078,743.16, 432,118,779.02 and 166,054,575.15 is: 249,082,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,078,743.16 : 432,118,779.02 = 166,054,575.15 : x
  2. Step 2: Convert to fraction form
    288,078,743.16/432,118,779.02 = 166,054,575.15/x
  3. Step 3: Cross multiply
    288,078,743.16x = 432,118,779.02 × 166,054,575.15
  4. Step 4: Simplify right side
    288,078,743.16x = 71,755,300,264,502,832
  5. Step 5: Solve for x
    x = 71,755,300,264,502,832/288,078,743.16
  6. Step 6: Final answer
    x = 249,082,245.63

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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.