Home / 148,053,026.72-204,319,561.76-81,973,526.40

Finding the Fourth Proportional to 148,053,026.72, 204,319,561.76 and 81,973,526.40

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Solution

The fourth proportional to 148,053,026.72, 204,319,561.76 and 81,973,526.40 is: 113,127,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,053,026.72 : 204,319,561.76 = 81,973,526.40 : x
  2. Step 2: Convert to fraction form
    148,053,026.72/204,319,561.76 = 81,973,526.40/x
  3. Step 3: Cross multiply
    148,053,026.72x = 204,319,561.76 × 81,973,526.40
  4. Step 4: Simplify right side
    148,053,026.72x = 16,748,794,989,969,790
  5. Step 5: Solve for x
    x = 16,748,794,989,969,790/148,053,026.72
  6. Step 6: Final answer
    x = 113,127,001.60

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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.