Home / 127,957,248.96-176,576,611.68-72,970,802.88

Finding the Fourth Proportional to 127,957,248.96, 176,576,611.68 and 72,970,802.88

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Solution

The fourth proportional to 127,957,248.96, 176,576,611.68 and 72,970,802.88 is: 100,697,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,957,248.96 : 176,576,611.68 = 72,970,802.88 : x
  2. Step 2: Convert to fraction form
    127,957,248.96/176,576,611.68 = 72,970,802.88/x
  3. Step 3: Cross multiply
    127,957,248.96x = 176,576,611.68 × 72,970,802.88
  4. Step 4: Simplify right side
    127,957,248.96x = 12,884,937,124,119,586
  5. Step 5: Solve for x
    x = 12,884,937,124,119,586/127,957,248.96
  6. Step 6: Final answer
    x = 100,697,203.39

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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.