Home / 77,382,627.48-106,789,680-42,575,418

Finding the Fourth Proportional to 77,382,627.48, 106,789,680 and 42,575,418

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Solution

The fourth proportional to 77,382,627.48, 106,789,680 and 42,575,418 is: 58,754,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,382,627.48 : 106,789,680 = 42,575,418 : x
  2. Step 2: Convert to fraction form
    77,382,627.48/106,789,680 = 42,575,418/x
  3. Step 3: Cross multiply
    77,382,627.48x = 106,789,680 × 42,575,418
  4. Step 4: Simplify right side
    77,382,627.48x = 4,546,615,264,086,240
  5. Step 5: Solve for x
    x = 4,546,615,264,086,240/77,382,627.48
  6. Step 6: Final answer
    x = 58,754,986.90

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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.