Home / 153,346,706.42-211,617,610.90-83,731,591.76

Finding the Fourth Proportional to 153,346,706.42, 211,617,610.90 and 83,731,591.76

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Solution

The fourth proportional to 153,346,706.42, 211,617,610.90 and 83,731,591.76 is: 115,549,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,346,706.42 : 211,617,610.90 = 83,731,591.76 : x
  2. Step 2: Convert to fraction form
    153,346,706.42/211,617,610.90 = 83,731,591.76/x
  3. Step 3: Cross multiply
    153,346,706.42x = 211,617,610.90 × 83,731,591.76
  4. Step 4: Simplify right side
    153,346,706.42x = 17,719,079,403,837,908
  5. Step 5: Solve for x
    x = 17,719,079,403,837,908/153,346,706.42
  6. Step 6: Final answer
    x = 115,549,135.80

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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.