Home / 169,210,007.10-253,815,010.65-111,688,823.70

Finding the Fourth Proportional to 169,210,007.10, 253,815,010.65 and 111,688,823.70

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Solution

The fourth proportional to 169,210,007.10, 253,815,010.65 and 111,688,823.70 is: 167,533,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,210,007.10 : 253,815,010.65 = 111,688,823.70 : x
  2. Step 2: Convert to fraction form
    169,210,007.10/253,815,010.65 = 111,688,823.70/x
  3. Step 3: Cross multiply
    169,210,007.10x = 253,815,010.65 × 111,688,823.70
  4. Step 4: Simplify right side
    169,210,007.10x = 28,348,299,976,901,472
  5. Step 5: Solve for x
    x = 28,348,299,976,901,472/169,210,007.10
  6. Step 6: Final answer
    x = 167,533,235.55

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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.