Home / 76,666,549.36-105,798,391.80-46,895,006.92

Finding the Fourth Proportional to 76,666,549.36, 105,798,391.80 and 46,895,006.92

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Solution

The fourth proportional to 76,666,549.36, 105,798,391.80 and 46,895,006.92 is: 64,714,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,666,549.36 : 105,798,391.80 = 46,895,006.92 : x
  2. Step 2: Convert to fraction form
    76,666,549.36/105,798,391.80 = 46,895,006.92/x
  3. Step 3: Cross multiply
    76,666,549.36x = 105,798,391.80 × 46,895,006.92
  4. Step 4: Simplify right side
    76,666,549.36x = 4,961,416,315,585,871
  5. Step 5: Solve for x
    x = 4,961,416,315,585,871/76,666,549.36
  6. Step 6: Final answer
    x = 64,714,224.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.