Home / 369,955,588.65-510,473,817.25-211,113,188.16

Finding the Fourth Proportional to 369,955,588.65, 510,473,817.25 and 211,113,188.16

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Solution

The fourth proportional to 369,955,588.65, 510,473,817.25 and 211,113,188.16 is: 291,299,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,955,588.65 : 510,473,817.25 = 211,113,188.16 : x
  2. Step 2: Convert to fraction form
    369,955,588.65/510,473,817.25 = 211,113,188.16/x
  3. Step 3: Cross multiply
    369,955,588.65x = 510,473,817.25 × 211,113,188.16
  4. Step 4: Simplify right side
    369,955,588.65x = 107,767,755,031,852,704
  5. Step 5: Solve for x
    x = 107,767,755,031,852,704/369,955,588.65
  6. Step 6: Final answer
    x = 291,299,167.62

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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.