Home / 151,563,547.68-209,109,950.64-92,764,915.44

Finding the Fourth Proportional to 151,563,547.68, 209,109,950.64 and 92,764,915.44

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Solution

The fourth proportional to 151,563,547.68, 209,109,950.64 and 92,764,915.44 is: 127,986,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,563,547.68 : 209,109,950.64 = 92,764,915.44 : x
  2. Step 2: Convert to fraction form
    151,563,547.68/209,109,950.64 = 92,764,915.44/x
  3. Step 3: Cross multiply
    151,563,547.68x = 209,109,950.64 × 92,764,915.44
  4. Step 4: Simplify right side
    151,563,547.68x = 19,398,066,888,782,172
  5. Step 5: Solve for x
    x = 19,398,066,888,782,172/151,563,547.68
  6. Step 6: Final answer
    x = 127,986,360.74

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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.