Home / 257,473,021.20-386,209,531.80-95,881,520.40

Finding the Fourth Proportional to 257,473,021.20, 386,209,531.80 and 95,881,520.40

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Solution

The fourth proportional to 257,473,021.20, 386,209,531.80 and 95,881,520.40 is: 143,822,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,473,021.20 : 386,209,531.80 = 95,881,520.40 : x
  2. Step 2: Convert to fraction form
    257,473,021.20/386,209,531.80 = 95,881,520.40/x
  3. Step 3: Cross multiply
    257,473,021.20x = 386,209,531.80 × 95,881,520.40
  4. Step 4: Simplify right side
    257,473,021.20x = 37,030,357,101,956,152
  5. Step 5: Solve for x
    x = 37,030,357,101,956,152/257,473,021.20
  6. Step 6: Final answer
    x = 143,822,280.60

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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.