Home / 135,432,830.95-186,908,833.07-76,705,943.24

Finding the Fourth Proportional to 135,432,830.95, 186,908,833.07 and 76,705,943.24

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Solution

The fourth proportional to 135,432,830.95, 186,908,833.07 and 76,705,943.24 is: 105,860,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,432,830.95 : 186,908,833.07 = 76,705,943.24 : x
  2. Step 2: Convert to fraction form
    135,432,830.95/186,908,833.07 = 76,705,943.24/x
  3. Step 3: Cross multiply
    135,432,830.95x = 186,908,833.07 × 76,705,943.24
  4. Step 4: Simplify right side
    135,432,830.95x = 14,337,018,340,522,054
  5. Step 5: Solve for x
    x = 14,337,018,340,522,054/135,432,830.95
  6. Step 6: Final answer
    x = 105,860,729.93

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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.