Home / 123,527,076.60-185,356,970.10-51,730,750.20

Finding the Fourth Proportional to 123,527,076.60, 185,356,970.10 and 51,730,750.20

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Solution

The fourth proportional to 123,527,076.60, 185,356,970.10 and 51,730,750.20 is: 77,623,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,527,076.60 : 185,356,970.10 = 51,730,750.20 : x
  2. Step 2: Convert to fraction form
    123,527,076.60/185,356,970.10 = 51,730,750.20/x
  3. Step 3: Cross multiply
    123,527,076.60x = 185,356,970.10 × 51,730,750.20
  4. Step 4: Simplify right side
    123,527,076.60x = 9,588,655,118,071,970
  5. Step 5: Solve for x
    x = 9,588,655,118,071,970/123,527,076.60
  6. Step 6: Final answer
    x = 77,623,913.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.