Home / 215,731,011.13-297,708,666.90-116,611,759.83

Finding the Fourth Proportional to 215,731,011.13, 297,708,666.90 and 116,611,759.83

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Solution

The fourth proportional to 215,731,011.13, 297,708,666.90 and 116,611,759.83 is: 160,924,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,731,011.13 : 297,708,666.90 = 116,611,759.83 : x
  2. Step 2: Convert to fraction form
    215,731,011.13/297,708,666.90 = 116,611,759.83/x
  3. Step 3: Cross multiply
    215,731,011.13x = 297,708,666.90 × 116,611,759.83
  4. Step 4: Simplify right side
    215,731,011.13x = 34,716,331,564,531,384
  5. Step 5: Solve for x
    x = 34,716,331,564,531,384/215,731,011.13
  6. Step 6: Final answer
    x = 160,924,159.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.