Home / 249,332,849.76-344,072,732.40-139,325,466.72

Finding the Fourth Proportional to 249,332,849.76, 344,072,732.40 and 139,325,466.72

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Solution

The fourth proportional to 249,332,849.76, 344,072,732.40 and 139,325,466.72 is: 192,265,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,332,849.76 : 344,072,732.40 = 139,325,466.72 : x
  2. Step 2: Convert to fraction form
    249,332,849.76/344,072,732.40 = 139,325,466.72/x
  3. Step 3: Cross multiply
    249,332,849.76x = 344,072,732.40 × 139,325,466.72
  4. Step 4: Simplify right side
    249,332,849.76x = 47,938,094,027,255,664
  5. Step 5: Solve for x
    x = 47,938,094,027,255,664/249,332,849.76
  6. Step 6: Final answer
    x = 192,265,455.89

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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.