Home / 105,205,118.70-145,187,547.52-58,795,371.26

Finding the Fourth Proportional to 105,205,118.70, 145,187,547.52 and 58,795,371.26

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Solution

The fourth proportional to 105,205,118.70, 145,187,547.52 and 58,795,371.26 is: 81,140,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,205,118.70 : 145,187,547.52 = 58,795,371.26 : x
  2. Step 2: Convert to fraction form
    105,205,118.70/145,187,547.52 = 58,795,371.26/x
  3. Step 3: Cross multiply
    105,205,118.70x = 145,187,547.52 × 58,795,371.26
  4. Step 4: Simplify right side
    105,205,118.70x = 8,536,355,758,041,356
  5. Step 5: Solve for x
    x = 8,536,355,758,041,356/105,205,118.70
  6. Step 6: Final answer
    x = 81,140,118.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.