Home / 148,139,733.72-204,503,721.66-98,662,445.40

Finding the Fourth Proportional to 148,139,733.72, 204,503,721.66 and 98,662,445.40

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Solution

The fourth proportional to 148,139,733.72, 204,503,721.66 and 98,662,445.40 is: 136,201,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,139,733.72 : 204,503,721.66 = 98,662,445.40 : x
  2. Step 2: Convert to fraction form
    148,139,733.72/204,503,721.66 = 98,662,445.40/x
  3. Step 3: Cross multiply
    148,139,733.72x = 204,503,721.66 × 98,662,445.40
  4. Step 4: Simplify right side
    148,139,733.72x = 20,176,837,272,376,548
  5. Step 5: Solve for x
    x = 20,176,837,272,376,548/148,139,733.72
  6. Step 6: Final answer
    x = 136,201,387.47

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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.