Home / 158,830,823.52-219,152,536.80-92,721,320.32

Finding the Fourth Proportional to 158,830,823.52, 219,152,536.80 and 92,721,320.32

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Solution

The fourth proportional to 158,830,823.52, 219,152,536.80 and 92,721,320.32 is: 127,935,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,830,823.52 : 219,152,536.80 = 92,721,320.32 : x
  2. Step 2: Convert to fraction form
    158,830,823.52/219,152,536.80 = 92,721,320.32/x
  3. Step 3: Cross multiply
    158,830,823.52x = 219,152,536.80 × 92,721,320.32
  4. Step 4: Simplify right side
    158,830,823.52x = 20,320,112,563,573,388
  5. Step 5: Solve for x
    x = 20,320,112,563,573,388/158,830,823.52
  6. Step 6: Final answer
    x = 127,935,573.92

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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.