Home / 105,527,870.03-145,628,474.50-58,487,980.45

Finding the Fourth Proportional to 105,527,870.03, 145,628,474.50 and 58,487,980.45

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Solution

The fourth proportional to 105,527,870.03, 145,628,474.50 and 58,487,980.45 is: 80,713,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,527,870.03 : 145,628,474.50 = 58,487,980.45 : x
  2. Step 2: Convert to fraction form
    105,527,870.03/145,628,474.50 = 58,487,980.45/x
  3. Step 3: Cross multiply
    105,527,870.03x = 145,628,474.50 × 58,487,980.45
  4. Step 4: Simplify right side
    105,527,870.03x = 8,517,515,369,519,324
  5. Step 5: Solve for x
    x = 8,517,515,369,519,324/105,527,870.03
  6. Step 6: Final answer
    x = 80,713,420.70

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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.