Home / 257,329,374.40-385,994,061.60-65,853,150.40

Finding the Fourth Proportional to 257,329,374.40, 385,994,061.60 and 65,853,150.40

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Solution

The fourth proportional to 257,329,374.40, 385,994,061.60 and 65,853,150.40 is: 98,779,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,329,374.40 : 385,994,061.60 = 65,853,150.40 : x
  2. Step 2: Convert to fraction form
    257,329,374.40/385,994,061.60 = 65,853,150.40/x
  3. Step 3: Cross multiply
    257,329,374.40x = 385,994,061.60 × 65,853,150.40
  4. Step 4: Simplify right side
    257,329,374.40x = 25,418,924,992,051,664
  5. Step 5: Solve for x
    x = 25,418,924,992,051,664/257,329,374.40
  6. Step 6: Final answer
    x = 98,779,725.60

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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.