Home / 66,048,215.40-99,072,323.10-61,265,246.40

Finding the Fourth Proportional to 66,048,215.40, 99,072,323.10 and 61,265,246.40

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Solution

The fourth proportional to 66,048,215.40, 99,072,323.10 and 61,265,246.40 is: 91,897,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,048,215.40 : 99,072,323.10 = 61,265,246.40 : x
  2. Step 2: Convert to fraction form
    66,048,215.40/99,072,323.10 = 61,265,246.40/x
  3. Step 3: Cross multiply
    66,048,215.40x = 99,072,323.10 × 61,265,246.40
  4. Step 4: Simplify right side
    66,048,215.40x = 6,069,690,286,141,911
  5. Step 5: Solve for x
    x = 6,069,690,286,141,911/66,048,215.40
  6. Step 6: Final answer
    x = 91,897,869.60

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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.