Home / 272,878,210.80-409,335,030.90-143,738,047.80

Finding the Fourth Proportional to 272,878,210.80, 409,335,030.90 and 143,738,047.80

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Solution

The fourth proportional to 272,878,210.80, 409,335,030.90 and 143,738,047.80 is: 215,616,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,878,210.80 : 409,335,030.90 = 143,738,047.80 : x
  2. Step 2: Convert to fraction form
    272,878,210.80/409,335,030.90 = 143,738,047.80/x
  3. Step 3: Cross multiply
    272,878,210.80x = 409,335,030.90 × 143,738,047.80
  4. Step 4: Simplify right side
    272,878,210.80x = 58,837,018,237,718,680
  5. Step 5: Solve for x
    x = 58,837,018,237,718,680/272,878,210.80
  6. Step 6: Final answer
    x = 215,616,402.88

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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.