Home / 301,526,657.70-452,289,986.55-129,020,909.10

Finding the Fourth Proportional to 301,526,657.70, 452,289,986.55 and 129,020,909.10

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Solution

The fourth proportional to 301,526,657.70, 452,289,986.55 and 129,020,909.10 is: 193,531,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,526,657.70 : 452,289,986.55 = 129,020,909.10 : x
  2. Step 2: Convert to fraction form
    301,526,657.70/452,289,986.55 = 129,020,909.10/x
  3. Step 3: Cross multiply
    301,526,657.70x = 452,289,986.55 × 129,020,909.10
  4. Step 4: Simplify right side
    301,526,657.70x = 58,354,865,241,507,768
  5. Step 5: Solve for x
    x = 58,354,865,241,507,768/301,526,657.70
  6. Step 6: Final answer
    x = 193,531,363.65

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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.