Home / 257,329,051.40-385,993,577.10-65,852,827.40

Finding the Fourth Proportional to 257,329,051.40, 385,993,577.10 and 65,852,827.40

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Solution

The fourth proportional to 257,329,051.40, 385,993,577.10 and 65,852,827.40 is: 98,779,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,329,051.40 : 385,993,577.10 = 65,852,827.40 : x
  2. Step 2: Convert to fraction form
    257,329,051.40/385,993,577.10 = 65,852,827.40/x
  3. Step 3: Cross multiply
    257,329,051.40x = 385,993,577.10 × 65,852,827.40
  4. Step 4: Simplify right side
    257,329,051.40x = 25,418,768,410,274,892
  5. Step 5: Solve for x
    x = 25,418,768,410,274,892/257,329,051.40
  6. Step 6: Final answer
    x = 98,779,241.10

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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.