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Finding the Fourth Proportional to 66,602,259.82, 99,857,925.94 and 35,482,569.92

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Solution

The fourth proportional to 66,602,259.82, 99,857,925.94 and 35,482,569.92 is: 53,199,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,602,259.82 : 99,857,925.94 = 35,482,569.92 : x
  2. Step 2: Convert to fraction form
    66,602,259.82/99,857,925.94 = 35,482,569.92/x
  3. Step 3: Cross multiply
    66,602,259.82x = 99,857,925.94 × 35,482,569.92
  4. Step 4: Simplify right side
    66,602,259.82x = 3,543,215,839,232,232
  5. Step 5: Solve for x
    x = 3,543,215,839,232,232/66,602,259.82
  6. Step 6: Final answer
    x = 53,199,633.90

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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.