Home / 191,497,414.60-287,426,525.10-100,686,176.20

Finding the Fourth Proportional to 191,497,414.60, 287,426,525.10 and 100,686,176.20

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Solution

The fourth proportional to 191,497,414.60, 287,426,525.10 and 100,686,176.20 is: 151,124,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,497,414.60 : 287,426,525.10 = 100,686,176.20 : x
  2. Step 2: Convert to fraction form
    191,497,414.60/287,426,525.10 = 100,686,176.20/x
  3. Step 3: Cross multiply
    191,497,414.60x = 287,426,525.10 × 100,686,176.20
  4. Step 4: Simplify right side
    191,497,414.60x = 28,939,877,750,772,324
  5. Step 5: Solve for x
    x = 28,939,877,750,772,324/191,497,414.60
  6. Step 6: Final answer
    x = 151,124,117.32

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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.