Home / 163,520,516.30-245,280,774.45-127,240,810.70

Finding the Fourth Proportional to 163,520,516.30, 245,280,774.45 and 127,240,810.70

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Solution

The fourth proportional to 163,520,516.30, 245,280,774.45 and 127,240,810.70 is: 190,861,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,520,516.30 : 245,280,774.45 = 127,240,810.70 : x
  2. Step 2: Convert to fraction form
    163,520,516.30/245,280,774.45 = 127,240,810.70/x
  3. Step 3: Cross multiply
    163,520,516.30x = 245,280,774.45 × 127,240,810.70
  4. Step 4: Simplify right side
    163,520,516.30x = 31,209,724,590,141,844
  5. Step 5: Solve for x
    x = 31,209,724,590,141,844/163,520,516.30
  6. Step 6: Final answer
    x = 190,861,216.05

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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.