Home / 249,327,212.88-344,105,733-143,478,453.84

Finding the Fourth Proportional to 249,327,212.88, 344,105,733 and 143,478,453.84

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Solution

The fourth proportional to 249,327,212.88, 344,105,733 and 143,478,453.84 is: 198,019,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,327,212.88 : 344,105,733 = 143,478,453.84 : x
  2. Step 2: Convert to fraction form
    249,327,212.88/344,105,733 = 143,478,453.84/x
  3. Step 3: Cross multiply
    249,327,212.88x = 344,105,733 × 143,478,453.84
  4. Step 4: Simplify right side
    249,327,212.88x = 49,371,758,528,319,864
  5. Step 5: Solve for x
    x = 49,371,758,528,319,864/249,327,212.88
  6. Step 6: Final answer
    x = 198,019,935.16

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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.