Home / 191,588,656.32-287,564,672.16-118,584,607.68

Finding the Fourth Proportional to 191,588,656.32, 287,564,672.16 and 118,584,607.68

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Solution

The fourth proportional to 191,588,656.32, 287,564,672.16 and 118,584,607.68 is: 177,989,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,588,656.32 : 287,564,672.16 = 118,584,607.68 : x
  2. Step 2: Convert to fraction form
    191,588,656.32/287,564,672.16 = 118,584,607.68/x
  3. Step 3: Cross multiply
    191,588,656.32x = 287,564,672.16 × 118,584,607.68
  4. Step 4: Simplify right side
    191,588,656.32x = 34,100,743,830,721,424
  5. Step 5: Solve for x
    x = 34,100,743,830,721,424/191,588,656.32
  6. Step 6: Final answer
    x = 177,989,367.88

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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.