Home / 289,533,421,048.38-434,362,958,964.41-88,069,920,111.66

Finding the Fourth Proportional to 289,533,421,048.38, 434,362,958,964.41 and 88,069,920,111.66

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Solution

The fourth proportional to 289,533,421,048.38, 434,362,958,964.41 and 88,069,920,111.66 is: 132,123,990,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,533,421,048.38 : 434,362,958,964.41 = 88,069,920,111.66 : x
  2. Step 2: Convert to fraction form
    289,533,421,048.38/434,362,958,964.41 = 88,069,920,111.66/x
  3. Step 3: Cross multiply
    289,533,421,048.38x = 434,362,958,964.41 × 88,069,920,111.66
  4. Step 4: Simplify right side
    289,533,421,048.38x = 38,254,311,095,459,840,524,288
  5. Step 5: Solve for x
    x = 38,254,311,095,459,840,524,288/289,533,421,048.38
  6. Step 6: Final answer
    x = 132,123,990,926.31

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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.