Home / 292,473,706.79-438,710,533.55-128,711,463.29

Finding the Fourth Proportional to 292,473,706.79, 438,710,533.55 and 128,711,463.29

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Solution

The fourth proportional to 292,473,706.79, 438,710,533.55 and 128,711,463.29 is: 193,067,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,473,706.79 : 438,710,533.55 = 128,711,463.29 : x
  2. Step 2: Convert to fraction form
    292,473,706.79/438,710,533.55 = 128,711,463.29/x
  3. Step 3: Cross multiply
    292,473,706.79x = 438,710,533.55 × 128,711,463.29
  4. Step 4: Simplify right side
    292,473,706.79x = 56,467,074,731,120,032
  5. Step 5: Solve for x
    x = 56,467,074,731,120,032/292,473,706.79
  6. Step 6: Final answer
    x = 193,067,183.21

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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.