Home / 111,039,772.54-153,239,674.77-61,480,147.30

Finding the Fourth Proportional to 111,039,772.54, 153,239,674.77 and 61,480,147.30

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Solution

The fourth proportional to 111,039,772.54, 153,239,674.77 and 61,480,147.30 is: 84,845,254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,039,772.54 : 153,239,674.77 = 61,480,147.30 : x
  2. Step 2: Convert to fraction form
    111,039,772.54/153,239,674.77 = 61,480,147.30/x
  3. Step 3: Cross multiply
    111,039,772.54x = 153,239,674.77 × 61,480,147.30
  4. Step 4: Simplify right side
    111,039,772.54x = 9,421,197,777,063,694
  5. Step 5: Solve for x
    x = 9,421,197,777,063,694/111,039,772.54
  6. Step 6: Final answer
    x = 84,845,254.65

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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.