Home / 186,694,656.53-257,631,870.10-103,060,990.84

Finding the Fourth Proportional to 186,694,656.53, 257,631,870.10 and 103,060,990.84

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Solution

The fourth proportional to 186,694,656.53, 257,631,870.10 and 103,060,990.84 is: 142,220,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,694,656.53 : 257,631,870.10 = 103,060,990.84 : x
  2. Step 2: Convert to fraction form
    186,694,656.53/257,631,870.10 = 103,060,990.84/x
  3. Step 3: Cross multiply
    186,694,656.53x = 257,631,870.10 × 103,060,990.84
  4. Step 4: Simplify right side
    186,694,656.53x = 26,551,795,803,228,416
  5. Step 5: Solve for x
    x = 26,551,795,803,228,416/186,694,656.53
  6. Step 6: Final answer
    x = 142,220,437.89

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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.