Home / 92,680,643.70-139,020,965.55-88,429,115.70

Finding the Fourth Proportional to 92,680,643.70, 139,020,965.55 and 88,429,115.70

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Solution

The fourth proportional to 92,680,643.70, 139,020,965.55 and 88,429,115.70 is: 132,643,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,680,643.70 : 139,020,965.55 = 88,429,115.70 : x
  2. Step 2: Convert to fraction form
    92,680,643.70/139,020,965.55 = 88,429,115.70/x
  3. Step 3: Cross multiply
    92,680,643.70x = 139,020,965.55 × 88,429,115.70
  4. Step 4: Simplify right side
    92,680,643.70x = 12,293,501,047,346,666
  5. Step 5: Solve for x
    x = 12,293,501,047,346,666/92,680,643.70
  6. Step 6: Final answer
    x = 132,643,673.55

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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.