Home / 288,078,742.16-432,118,777.52-166,054,574.15

Finding the Fourth Proportional to 288,078,742.16, 432,118,777.52 and 166,054,574.15

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Solution

The fourth proportional to 288,078,742.16, 432,118,777.52 and 166,054,574.15 is: 249,082,244.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,078,742.16 : 432,118,777.52 = 166,054,574.15 : x
  2. Step 2: Convert to fraction form
    288,078,742.16/432,118,777.52 = 166,054,574.15/x
  3. Step 3: Cross multiply
    288,078,742.16x = 432,118,777.52 × 166,054,574.15
  4. Step 4: Simplify right side
    288,078,742.16x = 71,755,299,580,311,328
  5. Step 5: Solve for x
    x = 71,755,299,580,311,328/288,078,742.16
  6. Step 6: Final answer
    x = 249,082,244.12

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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.