Home / 243,370,098-364,800,055.28-89,918,280.72

Finding the Fourth Proportional to 243,370,098, 364,800,055.28 and 89,918,280.72

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Solution

The fourth proportional to 243,370,098, 364,800,055.28 and 89,918,280.72 is: 134,783,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,370,098 : 364,800,055.28 = 89,918,280.72 : x
  2. Step 2: Convert to fraction form
    243,370,098/364,800,055.28 = 89,918,280.72/x
  3. Step 3: Cross multiply
    243,370,098x = 364,800,055.28 × 89,918,280.72
  4. Step 4: Simplify right side
    243,370,098x = 32,802,193,776,888,964
  5. Step 5: Solve for x
    x = 32,802,193,776,888,964/243,370,098
  6. Step 6: Final answer
    x = 134,783,171.99

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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.