Home / 261,721,359,509.66-392,701,323,356.02-134,325,514,068.75

Finding the Fourth Proportional to 261,721,359,509.66, 392,701,323,356.02 and 134,325,514,068.75

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Solution

The fourth proportional to 261,721,359,509.66, 392,701,323,356.02 and 134,325,514,068.75 is: 201,549,492,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,721,359,509.66 : 392,701,323,356.02 = 134,325,514,068.75 : x
  2. Step 2: Convert to fraction form
    261,721,359,509.66/392,701,323,356.02 = 134,325,514,068.75/x
  3. Step 3: Cross multiply
    261,721,359,509.66x = 392,701,323,356.02 × 134,325,514,068.75
  4. Step 4: Simplify right side
    261,721,359,509.66x = 52,749,807,135,275,811,340,288
  5. Step 5: Solve for x
    x = 52,749,807,135,275,811,340,288/261,721,359,509.66
  6. Step 6: Final answer
    x = 201,549,492,307.79

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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.