Home / 119,756,006.70-179,634,010.05-81,492,254.70

Finding the Fourth Proportional to 119,756,006.70, 179,634,010.05 and 81,492,254.70

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Solution

The fourth proportional to 119,756,006.70, 179,634,010.05 and 81,492,254.70 is: 122,238,382.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,756,006.70 : 179,634,010.05 = 81,492,254.70 : x
  2. Step 2: Convert to fraction form
    119,756,006.70/179,634,010.05 = 81,492,254.70/x
  3. Step 3: Cross multiply
    119,756,006.70x = 179,634,010.05 × 81,492,254.70
  4. Step 4: Simplify right side
    119,756,006.70x = 14,638,780,499,776,962
  5. Step 5: Solve for x
    x = 14,638,780,499,776,962/119,756,006.70
  6. Step 6: Final answer
    x = 122,238,382.05

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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.