Home / 249,409,230.21-374,020,799.40-85,600,502.64

Finding the Fourth Proportional to 249,409,230.21, 374,020,799.40 and 85,600,502.64

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Solution

The fourth proportional to 249,409,230.21, 374,020,799.40 and 85,600,502.64 is: 128,368,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,409,230.21 : 374,020,799.40 = 85,600,502.64 : x
  2. Step 2: Convert to fraction form
    249,409,230.21/374,020,799.40 = 85,600,502.64/x
  3. Step 3: Cross multiply
    249,409,230.21x = 374,020,799.40 × 85,600,502.64
  4. Step 4: Simplify right side
    249,409,230.21x = 32,016,368,426,454,608
  5. Step 5: Solve for x
    x = 32,016,368,426,454,608/249,409,230.21
  6. Step 6: Final answer
    x = 128,368,819.39

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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.