Home / 289,653,539.70-434,984,194.35-153,604,643.70

Finding the Fourth Proportional to 289,653,539.70, 434,984,194.35 and 153,604,643.70

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Solution

The fourth proportional to 289,653,539.70, 434,984,194.35 and 153,604,643.70 is: 230,674,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,653,539.70 : 434,984,194.35 = 153,604,643.70 : x
  2. Step 2: Convert to fraction form
    289,653,539.70/434,984,194.35 = 153,604,643.70/x
  3. Step 3: Cross multiply
    289,653,539.70x = 434,984,194.35 × 153,604,643.70
  4. Step 4: Simplify right side
    289,653,539.70x = 66,815,592,188,263,304
  5. Step 5: Solve for x
    x = 66,815,592,188,263,304/289,653,539.70
  6. Step 6: Final answer
    x = 230,674,178.05

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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.