Home / 90,402,593.51-124,782,129.55-59,045,436.25

Finding the Fourth Proportional to 90,402,593.51, 124,782,129.55 and 59,045,436.25

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Solution

The fourth proportional to 90,402,593.51, 124,782,129.55 and 59,045,436.25 is: 81,500,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,402,593.51 : 124,782,129.55 = 59,045,436.25 : x
  2. Step 2: Convert to fraction form
    90,402,593.51/124,782,129.55 = 59,045,436.25/x
  3. Step 3: Cross multiply
    90,402,593.51x = 124,782,129.55 × 59,045,436.25
  4. Step 4: Simplify right side
    90,402,593.51x = 7,367,815,275,245,618
  5. Step 5: Solve for x
    x = 7,367,815,275,245,618/90,402,593.51
  6. Step 6: Final answer
    x = 81,500,043.18

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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.