Home / 176,815,411.20-265,223,116.80-90,721,969.20

Finding the Fourth Proportional to 176,815,411.20, 265,223,116.80 and 90,721,969.20

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Solution

The fourth proportional to 176,815,411.20, 265,223,116.80 and 90,721,969.20 is: 136,082,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,815,411.20 : 265,223,116.80 = 90,721,969.20 : x
  2. Step 2: Convert to fraction form
    176,815,411.20/265,223,116.80 = 90,721,969.20/x
  3. Step 3: Cross multiply
    176,815,411.20x = 265,223,116.80 × 90,721,969.20
  4. Step 4: Simplify right side
    176,815,411.20x = 24,061,563,433,457,604
  5. Step 5: Solve for x
    x = 24,061,563,433,457,604/176,815,411.20
  6. Step 6: Final answer
    x = 136,082,953.80

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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.