Home / 254,402,009.79-351,116,423.50-211,948,245.28

Finding the Fourth Proportional to 254,402,009.79, 351,116,423.50 and 211,948,245.28

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Solution

The fourth proportional to 254,402,009.79, 351,116,423.50 and 211,948,245.28 is: 292,523,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,402,009.79 : 351,116,423.50 = 211,948,245.28 : x
  2. Step 2: Convert to fraction form
    254,402,009.79/351,116,423.50 = 211,948,245.28/x
  3. Step 3: Cross multiply
    254,402,009.79x = 351,116,423.50 × 211,948,245.28
  4. Step 4: Simplify right side
    254,402,009.79x = 74,418,509,849,814,352
  5. Step 5: Solve for x
    x = 74,418,509,849,814,352/254,402,009.79
  6. Step 6: Final answer
    x = 292,523,278.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.