Home / 185,718,261.81-256,288,328.04-102,084,602.76

Finding the Fourth Proportional to 185,718,261.81, 256,288,328.04 and 102,084,602.76

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Solution

The fourth proportional to 185,718,261.81, 256,288,328.04 and 102,084,602.76 is: 140,875,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,718,261.81 : 256,288,328.04 = 102,084,602.76 : x
  2. Step 2: Convert to fraction form
    185,718,261.81/256,288,328.04 = 102,084,602.76/x
  3. Step 3: Cross multiply
    185,718,261.81x = 256,288,328.04 × 102,084,602.76
  4. Step 4: Simplify right side
    185,718,261.81x = 26,163,092,159,987,968
  5. Step 5: Solve for x
    x = 26,163,092,159,987,968/185,718,261.81
  6. Step 6: Final answer
    x = 140,875,172.45

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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.