Home / 288,652,112.84-433,018,415.55-89,247,677.61

Finding the Fourth Proportional to 288,652,112.84, 433,018,415.55 and 89,247,677.61

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Solution

The fourth proportional to 288,652,112.84, 433,018,415.55 and 89,247,677.61 is: 133,883,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,652,112.84 : 433,018,415.55 = 89,247,677.61 : x
  2. Step 2: Convert to fraction form
    288,652,112.84/433,018,415.55 = 89,247,677.61/x
  3. Step 3: Cross multiply
    288,652,112.84x = 433,018,415.55 × 89,247,677.61
  4. Step 4: Simplify right side
    288,652,112.84x = 38,645,887,950,199,408
  5. Step 5: Solve for x
    x = 38,645,887,950,199,408/288,652,112.84
  6. Step 6: Final answer
    x = 133,883,960.07

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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.