Home / 118,506,398.13-177,598,196.59-66,715,701.21

Finding the Fourth Proportional to 118,506,398.13, 177,598,196.59 and 66,715,701.21

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Solution

The fourth proportional to 118,506,398.13, 177,598,196.59 and 66,715,701.21 is: 99,982,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,506,398.13 : 177,598,196.59 = 66,715,701.21 : x
  2. Step 2: Convert to fraction form
    118,506,398.13/177,598,196.59 = 66,715,701.21/x
  3. Step 3: Cross multiply
    118,506,398.13x = 177,598,196.59 × 66,715,701.21
  4. Step 4: Simplify right side
    118,506,398.13x = 11,848,588,219,133,282
  5. Step 5: Solve for x
    x = 11,848,588,219,133,282/118,506,398.13
  6. Step 6: Final answer
    x = 99,982,687.91

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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.