Home / 82,446,875.40-123,792,347.70-46,127,803.80

Finding the Fourth Proportional to 82,446,875.40, 123,792,347.70 and 46,127,803.80

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Solution

The fourth proportional to 82,446,875.40, 123,792,347.70 and 46,127,803.80 is: 69,259,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,446,875.40 : 123,792,347.70 = 46,127,803.80 : x
  2. Step 2: Convert to fraction form
    82,446,875.40/123,792,347.70 = 46,127,803.80/x
  3. Step 3: Cross multiply
    82,446,875.40x = 123,792,347.70 × 46,127,803.80
  4. Step 4: Simplify right side
    82,446,875.40x = 5,710,269,126,646,981
  5. Step 5: Solve for x
    x = 5,710,269,126,646,981/82,446,875.40
  6. Step 6: Final answer
    x = 69,259,982.25

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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.