Home / 249,332,851.76-344,072,735.16-139,325,468.72

Finding the Fourth Proportional to 249,332,851.76, 344,072,735.16 and 139,325,468.72

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Solution

The fourth proportional to 249,332,851.76, 344,072,735.16 and 139,325,468.72 is: 192,265,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,332,851.76 : 344,072,735.16 = 139,325,468.72 : x
  2. Step 2: Convert to fraction form
    249,332,851.76/344,072,735.16 = 139,325,468.72/x
  3. Step 3: Cross multiply
    249,332,851.76x = 344,072,735.16 × 139,325,468.72
  4. Step 4: Simplify right side
    249,332,851.76x = 47,938,095,099,939,424
  5. Step 5: Solve for x
    x = 47,938,095,099,939,424/249,332,851.76
  6. Step 6: Final answer
    x = 192,265,458.65

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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.