Home / 191,698,752.60-287,728,532.10-100,887,514.20

Finding the Fourth Proportional to 191,698,752.60, 287,728,532.10 and 100,887,514.20

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Solution

The fourth proportional to 191,698,752.60, 287,728,532.10 and 100,887,514.20 is: 151,426,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,698,752.60 : 287,728,532.10 = 100,887,514.20 : x
  2. Step 2: Convert to fraction form
    191,698,752.60/287,728,532.10 = 100,887,514.20/x
  3. Step 3: Cross multiply
    191,698,752.60x = 287,728,532.10 × 100,887,514.20
  4. Step 4: Simplify right side
    191,698,752.60x = 29,028,216,367,983,908
  5. Step 5: Solve for x
    x = 29,028,216,367,983,908/191,698,752.60
  6. Step 6: Final answer
    x = 151,426,214.17

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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.