Home / 175,998,663.72-242,922,802.64-120,266,642.88

Finding the Fourth Proportional to 175,998,663.72, 242,922,802.64 and 120,266,642.88

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Solution

The fourth proportional to 175,998,663.72, 242,922,802.64 and 120,266,642.88 is: 165,998,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,998,663.72 : 242,922,802.64 = 120,266,642.88 : x
  2. Step 2: Convert to fraction form
    175,998,663.72/242,922,802.64 = 120,266,642.88/x
  3. Step 3: Cross multiply
    175,998,663.72x = 242,922,802.64 × 120,266,642.88
  4. Step 4: Simplify right side
    175,998,663.72x = 29,215,509,952,513,600
  5. Step 5: Solve for x
    x = 29,215,509,952,513,600/175,998,663.72
  6. Step 6: Final answer
    x = 165,998,475.98

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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.