Home / 286,046,043.30-429,073,001.64-81,574,140.42

Finding the Fourth Proportional to 286,046,043.30, 429,073,001.64 and 81,574,140.42

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Solution

The fourth proportional to 286,046,043.30, 429,073,001.64 and 81,574,140.42 is: 122,362,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,046,043.30 : 429,073,001.64 = 81,574,140.42 : x
  2. Step 2: Convert to fraction form
    286,046,043.30/429,073,001.64 = 81,574,140.42/x
  3. Step 3: Cross multiply
    286,046,043.30x = 429,073,001.64 × 81,574,140.42
  4. Step 4: Simplify right side
    286,046,043.30x = 35,001,261,286,212,248
  5. Step 5: Solve for x
    x = 35,001,261,286,212,248/286,046,043.30
  6. Step 6: Final answer
    x = 122,362,333.29

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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.