Home / 99,075,619.80-148,613,429.70-53,725,987.80

Finding the Fourth Proportional to 99,075,619.80, 148,613,429.70 and 53,725,987.80

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Solution

The fourth proportional to 99,075,619.80, 148,613,429.70 and 53,725,987.80 is: 80,588,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,075,619.80 : 148,613,429.70 = 53,725,987.80 : x
  2. Step 2: Convert to fraction form
    99,075,619.80/148,613,429.70 = 53,725,987.80/x
  3. Step 3: Cross multiply
    99,075,619.80x = 148,613,429.70 × 53,725,987.80
  4. Step 4: Simplify right side
    99,075,619.80x = 7,984,403,310,978,357
  5. Step 5: Solve for x
    x = 7,984,403,310,978,357/99,075,619.80
  6. Step 6: Final answer
    x = 80,588,981.70

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1.5x scale

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.