Home / 272,010,263.58-408,019,824.05-77,920,924.50

Finding the Fourth Proportional to 272,010,263.58, 408,019,824.05 and 77,920,924.50

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Solution

The fourth proportional to 272,010,263.58, 408,019,824.05 and 77,920,924.50 is: 116,882,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,010,263.58 : 408,019,824.05 = 77,920,924.50 : x
  2. Step 2: Convert to fraction form
    272,010,263.58/408,019,824.05 = 77,920,924.50/x
  3. Step 3: Cross multiply
    272,010,263.58x = 408,019,824.05 × 77,920,924.50
  4. Step 4: Simplify right side
    272,010,263.58x = 31,793,281,903,913,732
  5. Step 5: Solve for x
    x = 31,793,281,903,913,732/272,010,263.58
  6. Step 6: Final answer
    x = 116,882,655.40

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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.