Home / 107,006,412.30-160,509,618.45-70,018,118.70

Finding the Fourth Proportional to 107,006,412.30, 160,509,618.45 and 70,018,118.70

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Solution

The fourth proportional to 107,006,412.30, 160,509,618.45 and 70,018,118.70 is: 105,027,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,006,412.30 : 160,509,618.45 = 70,018,118.70 : x
  2. Step 2: Convert to fraction form
    107,006,412.30/160,509,618.45 = 70,018,118.70/x
  3. Step 3: Cross multiply
    107,006,412.30x = 160,509,618.45 × 70,018,118.70
  4. Step 4: Simplify right side
    107,006,412.30x = 11,238,581,517,123,810
  5. Step 5: Solve for x
    x = 11,238,581,517,123,810/107,006,412.30
  6. Step 6: Final answer
    x = 105,027,178.05

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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.