Home / 249,332,838.76-344,072,717.22-139,325,455.72

Finding the Fourth Proportional to 249,332,838.76, 344,072,717.22 and 139,325,455.72

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Solution

The fourth proportional to 249,332,838.76, 344,072,717.22 and 139,325,455.72 is: 192,265,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,332,838.76 : 344,072,717.22 = 139,325,455.72 : x
  2. Step 2: Convert to fraction form
    249,332,838.76/344,072,717.22 = 139,325,455.72/x
  3. Step 3: Cross multiply
    249,332,838.76x = 344,072,717.22 × 139,325,455.72
  4. Step 4: Simplify right side
    249,332,838.76x = 47,938,088,127,495,192
  5. Step 5: Solve for x
    x = 47,938,088,127,495,192/249,332,838.76
  6. Step 6: Final answer
    x = 192,265,440.71

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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.