Home / 102,153,412.95-140,974,700.72-55,746,658.05

Finding the Fourth Proportional to 102,153,412.95, 140,974,700.72 and 55,746,658.05

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Solution

The fourth proportional to 102,153,412.95, 140,974,700.72 and 55,746,658.05 is: 76,932,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,153,412.95 : 140,974,700.72 = 55,746,658.05 : x
  2. Step 2: Convert to fraction form
    102,153,412.95/140,974,700.72 = 55,746,658.05/x
  3. Step 3: Cross multiply
    102,153,412.95x = 140,974,700.72 × 55,746,658.05
  4. Step 4: Simplify right side
    102,153,412.95x = 7,858,868,434,460,195
  5. Step 5: Solve for x
    x = 7,858,868,434,460,195/102,153,412.95
  6. Step 6: Final answer
    x = 76,932,020.26

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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.