Home / 249,717,434.09-374,612,041.85-77,207,699.66

Finding the Fourth Proportional to 249,717,434.09, 374,612,041.85 and 77,207,699.66

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Solution

The fourth proportional to 249,717,434.09, 374,612,041.85 and 77,207,699.66 is: 115,822,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,717,434.09 : 374,612,041.85 = 77,207,699.66 : x
  2. Step 2: Convert to fraction form
    249,717,434.09/374,612,041.85 = 77,207,699.66/x
  3. Step 3: Cross multiply
    249,717,434.09x = 374,612,041.85 × 77,207,699.66
  4. Step 4: Simplify right side
    249,717,434.09x = 28,922,934,013,915,056
  5. Step 5: Solve for x
    x = 28,922,934,013,915,056/249,717,434.09
  6. Step 6: Final answer
    x = 115,822,646.18

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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.