Home / 153,406,249.60-211,699,366.40-83,791,674.40

Finding the Fourth Proportional to 153,406,249.60, 211,699,366.40 and 83,791,674.40

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Solution

The fourth proportional to 153,406,249.60, 211,699,366.40 and 83,791,674.40 is: 115,631,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,406,249.60 : 211,699,366.40 = 83,791,674.40 : x
  2. Step 2: Convert to fraction form
    153,406,249.60/211,699,366.40 = 83,791,674.40/x
  3. Step 3: Cross multiply
    153,406,249.60x = 211,699,366.40 × 83,791,674.40
  4. Step 4: Simplify right side
    153,406,249.60x = 17,738,644,380,075,102
  5. Step 5: Solve for x
    x = 17,738,644,380,075,102/153,406,249.60
  6. Step 6: Final answer
    x = 115,631,823.52

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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.