Home / 66,536,573.40-99,655,560.90-54,592,637.40

Finding the Fourth Proportional to 66,536,573.40, 99,655,560.90 and 54,592,637.40

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Solution

The fourth proportional to 66,536,573.40, 99,655,560.90 and 54,592,637.40 is: 81,766,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,536,573.40 : 99,655,560.90 = 54,592,637.40 : x
  2. Step 2: Convert to fraction form
    66,536,573.40/99,655,560.90 = 54,592,637.40/x
  3. Step 3: Cross multiply
    66,536,573.40x = 99,655,560.90 × 54,592,637.40
  4. Step 4: Simplify right side
    66,536,573.40x = 5,440,459,901,107,318
  5. Step 5: Solve for x
    x = 5,440,459,901,107,318/66,536,573.40
  6. Step 6: Final answer
    x = 81,766,457.50

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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.