Home / 163,364,950.80-245,047,426.20-126,376,657.20

Finding the Fourth Proportional to 163,364,950.80, 245,047,426.20 and 126,376,657.20

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Solution

The fourth proportional to 163,364,950.80, 245,047,426.20 and 126,376,657.20 is: 189,564,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,364,950.80 : 245,047,426.20 = 126,376,657.20 : x
  2. Step 2: Convert to fraction form
    163,364,950.80/245,047,426.20 = 126,376,657.20/x
  3. Step 3: Cross multiply
    163,364,950.80x = 245,047,426.20 × 126,376,657.20
  4. Step 4: Simplify right side
    163,364,950.80x = 30,968,274,578,619,696
  5. Step 5: Solve for x
    x = 30,968,274,578,619,696/163,364,950.80
  6. Step 6: Final answer
    x = 189,564,985.80

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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.