Home / 207,714,155.52-286,627,678.20-114,871,553.76

Finding the Fourth Proportional to 207,714,155.52, 286,627,678.20 and 114,871,553.76

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Solution

The fourth proportional to 207,714,155.52, 286,627,678.20 and 114,871,553.76 is: 158,512,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,714,155.52 : 286,627,678.20 = 114,871,553.76 : x
  2. Step 2: Convert to fraction form
    207,714,155.52/286,627,678.20 = 114,871,553.76/x
  3. Step 3: Cross multiply
    207,714,155.52x = 286,627,678.20 × 114,871,553.76
  4. Step 4: Simplify right side
    207,714,155.52x = 32,925,366,745,455,280
  5. Step 5: Solve for x
    x = 32,925,366,745,455,280/207,714,155.52
  6. Step 6: Final answer
    x = 158,512,869.11

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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.