Home / 277,609,890.40-416,116,237.20-105,020,015.20

Finding the Fourth Proportional to 277,609,890.40, 416,116,237.20 and 105,020,015.20

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Solution

The fourth proportional to 277,609,890.40, 416,116,237.20 and 105,020,015.20 is: 157,417,062.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,609,890.40 : 416,116,237.20 = 105,020,015.20 : x
  2. Step 2: Convert to fraction form
    277,609,890.40/416,116,237.20 = 105,020,015.20/x
  3. Step 3: Cross multiply
    277,609,890.40x = 416,116,237.20 × 105,020,015.20
  4. Step 4: Simplify right side
    277,609,890.40x = 43,700,533,555,710,808
  5. Step 5: Solve for x
    x = 43,700,533,555,710,808/277,609,890.40
  6. Step 6: Final answer
    x = 157,417,062.82

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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.