Home / 289,377,681.60-434,066,522.40-234,958,123.20

Finding the Fourth Proportional to 289,377,681.60, 434,066,522.40 and 234,958,123.20

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Solution

The fourth proportional to 289,377,681.60, 434,066,522.40 and 234,958,123.20 is: 352,437,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,377,681.60 : 434,066,522.40 = 234,958,123.20 : x
  2. Step 2: Convert to fraction form
    289,377,681.60/434,066,522.40 = 234,958,123.20/x
  3. Step 3: Cross multiply
    289,377,681.60x = 434,066,522.40 × 234,958,123.20
  4. Step 4: Simplify right side
    289,377,681.60x = 101,987,455,447,054,752
  5. Step 5: Solve for x
    x = 101,987,455,447,054,752/289,377,681.60
  6. Step 6: Final answer
    x = 352,437,184.80

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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.