Home / 147,495,035-203,543,117.54-81,415,516.02

Finding the Fourth Proportional to 147,495,035, 203,543,117.54 and 81,415,516.02

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Solution

The fourth proportional to 147,495,035, 203,543,117.54 and 81,415,516.02 is: 112,353,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,495,035 : 203,543,117.54 = 81,415,516.02 : x
  2. Step 2: Convert to fraction form
    147,495,035/203,543,117.54 = 81,415,516.02/x
  3. Step 3: Cross multiply
    147,495,035x = 203,543,117.54 × 81,415,516.02
  4. Step 4: Simplify right side
    147,495,035x = 16,571,567,946,838,612
  5. Step 5: Solve for x
    x = 16,571,567,946,838,612/147,495,035
  6. Step 6: Final answer
    x = 112,353,395.13

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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.