Home / 272,865,117.80-409,315,391.40-143,724,954.80

Finding the Fourth Proportional to 272,865,117.80, 409,315,391.40 and 143,724,954.80

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Solution

The fourth proportional to 272,865,117.80, 409,315,391.40 and 143,724,954.80 is: 215,596,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,865,117.80 : 409,315,391.40 = 143,724,954.80 : x
  2. Step 2: Convert to fraction form
    272,865,117.80/409,315,391.40 = 143,724,954.80/x
  3. Step 3: Cross multiply
    272,865,117.80x = 409,315,391.40 × 143,724,954.80
  4. Step 4: Simplify right side
    272,865,117.80x = 58,828,836,127,909,312
  5. Step 5: Solve for x
    x = 58,828,836,127,909,312/272,865,117.80
  6. Step 6: Final answer
    x = 215,596,762.98

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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.