Home / 207,176,905.28-285,904,157.28-114,357,430.64

Finding the Fourth Proportional to 207,176,905.28, 285,904,157.28 and 114,357,430.64

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Solution

The fourth proportional to 207,176,905.28, 285,904,157.28 and 114,357,430.64 is: 157,813,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,176,905.28 : 285,904,157.28 = 114,357,430.64 : x
  2. Step 2: Convert to fraction form
    207,176,905.28/285,904,157.28 = 114,357,430.64/x
  3. Step 3: Cross multiply
    207,176,905.28x = 285,904,157.28 × 114,357,430.64
  4. Step 4: Simplify right side
    207,176,905.28x = 32,695,264,835,835,248
  5. Step 5: Solve for x
    x = 32,695,264,835,835,248/207,176,905.28
  6. Step 6: Final answer
    x = 157,813,269.74

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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.