Home / 55,547,395,865.55-76,655,347,959.15-30,172,887,043.38

Finding the Fourth Proportional to 55,547,395,865.55, 76,655,347,959.15 and 30,172,887,043.38

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Solution

The fourth proportional to 55,547,395,865.55, 76,655,347,959.15 and 30,172,887,043.38 is: 41,638,552,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,547,395,865.55 : 76,655,347,959.15 = 30,172,887,043.38 : x
  2. Step 2: Convert to fraction form
    55,547,395,865.55/76,655,347,959.15 = 30,172,887,043.38/x
  3. Step 3: Cross multiply
    55,547,395,865.55x = 76,655,347,959.15 × 30,172,887,043.38
  4. Step 4: Simplify right side
    55,547,395,865.55x = 2,312,913,155,242,362,142,720
  5. Step 5: Solve for x
    x = 2,312,913,155,242,362,142,720/55,547,395,865.55
  6. Step 6: Final answer
    x = 41,638,552,432.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.