Home / 213,697,881.90-320,602,088.43-125,141,240.88

Finding the Fourth Proportional to 213,697,881.90, 320,602,088.43 and 125,141,240.88

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Solution

The fourth proportional to 213,697,881.90, 320,602,088.43 and 125,141,240.88 is: 187,744,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,697,881.90 : 320,602,088.43 = 125,141,240.88 : x
  2. Step 2: Convert to fraction form
    213,697,881.90/320,602,088.43 = 125,141,240.88/x
  3. Step 3: Cross multiply
    213,697,881.90x = 320,602,088.43 × 125,141,240.88
  4. Step 4: Simplify right side
    213,697,881.90x = 40,120,543,174,849,688
  5. Step 5: Solve for x
    x = 40,120,543,174,849,688/213,697,881.90
  6. Step 6: Final answer
    x = 187,744,224.78

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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.