Home / 66,486,756.20-99,730,134.30-59,544,343.40

Finding the Fourth Proportional to 66,486,756.20, 99,730,134.30 and 59,544,343.40

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Solution

The fourth proportional to 66,486,756.20, 99,730,134.30 and 59,544,343.40 is: 89,316,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,486,756.20 : 99,730,134.30 = 59,544,343.40 : x
  2. Step 2: Convert to fraction form
    66,486,756.20/99,730,134.30 = 59,544,343.40/x
  3. Step 3: Cross multiply
    66,486,756.20x = 99,730,134.30 × 59,544,343.40
  4. Step 4: Simplify right side
    66,486,756.20x = 5,938,365,364,087,318
  5. Step 5: Solve for x
    x = 5,938,365,364,087,318/66,486,756.20
  6. Step 6: Final answer
    x = 89,316,515.10

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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.