Home / 156,678,407.10-235,017,610.65-48,972,858.30

Finding the Fourth Proportional to 156,678,407.10, 235,017,610.65 and 48,972,858.30

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Solution

The fourth proportional to 156,678,407.10, 235,017,610.65 and 48,972,858.30 is: 73,459,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,678,407.10 : 235,017,610.65 = 48,972,858.30 : x
  2. Step 2: Convert to fraction form
    156,678,407.10/235,017,610.65 = 48,972,858.30/x
  3. Step 3: Cross multiply
    156,678,407.10x = 235,017,610.65 × 48,972,858.30
  4. Step 4: Simplify right side
    156,678,407.10x = 11,509,484,144,367,020
  5. Step 5: Solve for x
    x = 11,509,484,144,367,020/156,678,407.10
  6. Step 6: Final answer
    x = 73,459,287.45

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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.