Home / 66,433,533.60-99,650,300.40-61,172,267.70

Finding the Fourth Proportional to 66,433,533.60, 99,650,300.40 and 61,172,267.70

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Solution

The fourth proportional to 66,433,533.60, 99,650,300.40 and 61,172,267.70 is: 91,758,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,533.60 : 99,650,300.40 = 61,172,267.70 : x
  2. Step 2: Convert to fraction form
    66,433,533.60/99,650,300.40 = 61,172,267.70/x
  3. Step 3: Cross multiply
    66,433,533.60x = 99,650,300.40 × 61,172,267.70
  4. Step 4: Simplify right side
    66,433,533.60x = 6,095,834,852,454,218
  5. Step 5: Solve for x
    x = 6,095,834,852,454,218/66,433,533.60
  6. Step 6: Final answer
    x = 91,758,401.55

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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.