Home / 66,430,302.20-99,645,453.30-55,848,721.40

Finding the Fourth Proportional to 66,430,302.20, 99,645,453.30 and 55,848,721.40

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Solution

The fourth proportional to 66,430,302.20, 99,645,453.30 and 55,848,721.40 is: 83,773,082.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,302.20 : 99,645,453.30 = 55,848,721.40 : x
  2. Step 2: Convert to fraction form
    66,430,302.20/99,645,453.30 = 55,848,721.40/x
  3. Step 3: Cross multiply
    66,430,302.20x = 99,645,453.30 × 55,848,721.40
  4. Step 4: Simplify right side
    66,430,302.20x = 5,565,071,160,128,410
  5. Step 5: Solve for x
    x = 5,565,071,160,128,410/66,430,302.20
  6. Step 6: Final answer
    x = 83,773,082.10

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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.