Home / 249,717,447.51-374,612,061.95-77,207,713.03

Finding the Fourth Proportional to 249,717,447.51, 374,612,061.95 and 77,207,713.03

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Solution

The fourth proportional to 249,717,447.51, 374,612,061.95 and 77,207,713.03 is: 115,822,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,717,447.51 : 374,612,061.95 = 77,207,713.03 : x
  2. Step 2: Convert to fraction form
    249,717,447.51/374,612,061.95 = 77,207,713.03/x
  3. Step 3: Cross multiply
    249,717,447.51x = 374,612,061.95 × 77,207,713.03
  4. Step 4: Simplify right side
    249,717,447.51x = 28,922,940,576,612,180
  5. Step 5: Solve for x
    x = 28,922,940,576,612,180/249,717,447.51
  6. Step 6: Final answer
    x = 115,822,666.24

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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.