Home / 104,357,718.40-156,387,278.40-76,849,340.80

Finding the Fourth Proportional to 104,357,718.40, 156,387,278.40 and 76,849,340.80

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Solution

The fourth proportional to 104,357,718.40, 156,387,278.40 and 76,849,340.80 is: 115,164,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,357,718.40 : 156,387,278.40 = 76,849,340.80 : x
  2. Step 2: Convert to fraction form
    104,357,718.40/156,387,278.40 = 76,849,340.80/x
  3. Step 3: Cross multiply
    104,357,718.40x = 156,387,278.40 × 76,849,340.80
  4. Step 4: Simplify right side
    104,357,718.40x = 12,018,259,254,546,078
  5. Step 5: Solve for x
    x = 12,018,259,254,546,078/104,357,718.40
  6. Step 6: Final answer
    x = 115,164,066.82

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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.