Home / 257,329,079.40-385,993,619.10-65,852,855.40

Finding the Fourth Proportional to 257,329,079.40, 385,993,619.10 and 65,852,855.40

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Solution

The fourth proportional to 257,329,079.40, 385,993,619.10 and 65,852,855.40 is: 98,779,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,329,079.40 : 385,993,619.10 = 65,852,855.40 : x
  2. Step 2: Convert to fraction form
    257,329,079.40/385,993,619.10 = 65,852,855.40/x
  3. Step 3: Cross multiply
    257,329,079.40x = 385,993,619.10 × 65,852,855.40
  4. Step 4: Simplify right side
    257,329,079.40x = 25,418,781,983,914,980
  5. Step 5: Solve for x
    x = 25,418,781,983,914,980/257,329,079.40
  6. Step 6: Final answer
    x = 98,779,283.10

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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.