Home / 259,789,741.32-358,510,266.36-142,312,492.92

Finding the Fourth Proportional to 259,789,741.32, 358,510,266.36 and 142,312,492.92

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Solution

The fourth proportional to 259,789,741.32, 358,510,266.36 and 142,312,492.92 is: 196,391,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,789,741.32 : 358,510,266.36 = 142,312,492.92 : x
  2. Step 2: Convert to fraction form
    259,789,741.32/358,510,266.36 = 142,312,492.92/x
  3. Step 3: Cross multiply
    259,789,741.32x = 358,510,266.36 × 142,312,492.92
  4. Step 4: Simplify right side
    259,789,741.32x = 51,020,489,743,104,808
  5. Step 5: Solve for x
    x = 51,020,489,743,104,808/259,789,741.32
  6. Step 6: Final answer
    x = 196,391,472.13

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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.