Home / 257,329,085.40-385,993,628.10-65,852,861.40

Finding the Fourth Proportional to 257,329,085.40, 385,993,628.10 and 65,852,861.40

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Solution

The fourth proportional to 257,329,085.40, 385,993,628.10 and 65,852,861.40 is: 98,779,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,329,085.40 : 385,993,628.10 = 65,852,861.40 : x
  2. Step 2: Convert to fraction form
    257,329,085.40/385,993,628.10 = 65,852,861.40/x
  3. Step 3: Cross multiply
    257,329,085.40x = 385,993,628.10 × 65,852,861.40
  4. Step 4: Simplify right side
    257,329,085.40x = 25,418,784,892,552,448
  5. Step 5: Solve for x
    x = 25,418,784,892,552,448/257,329,085.40
  6. Step 6: Final answer
    x = 98,779,292.10

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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.