Home / 119,276,779,519.76-178,913,990,231.21-54,646,134,862.48

Finding the Fourth Proportional to 119,276,779,519.76, 178,913,990,231.21 and 54,646,134,862.48

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Solution

The fourth proportional to 119,276,779,519.76, 178,913,990,231.21 and 54,646,134,862.48 is: 81,968,662,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,276,779,519.76 : 178,913,990,231.21 = 54,646,134,862.48 : x
  2. Step 2: Convert to fraction form
    119,276,779,519.76/178,913,990,231.21 = 54,646,134,862.48/x
  3. Step 3: Cross multiply
    119,276,779,519.76x = 178,913,990,231.21 × 54,646,134,862.48
  4. Step 4: Simplify right side
    119,276,779,519.76x = 9,776,958,038,959,131,197,440
  5. Step 5: Solve for x
    x = 9,776,958,038,959,131,197,440/119,276,779,519.76
  6. Step 6: Final answer
    x = 81,968,662,117.84

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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.