Home / 261,721,359,515.86-392,701,323,365.30-134,325,514,074.94

Finding the Fourth Proportional to 261,721,359,515.86, 392,701,323,365.30 and 134,325,514,074.94

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Solution

The fourth proportional to 261,721,359,515.86, 392,701,323,365.30 and 134,325,514,074.94 is: 201,549,492,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,721,359,515.86 : 392,701,323,365.30 = 134,325,514,074.94 : x
  2. Step 2: Convert to fraction form
    261,721,359,515.86/392,701,323,365.30 = 134,325,514,074.94/x
  3. Step 3: Cross multiply
    261,721,359,515.86x = 392,701,323,365.30 × 134,325,514,074.94
  4. Step 4: Simplify right side
    261,721,359,515.86x = 52,749,807,138,953,167,372,288
  5. Step 5: Solve for x
    x = 52,749,807,138,953,167,372,288/261,721,359,515.86
  6. Step 6: Final answer
    x = 201,549,492,317.06

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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.