Home / 119,920,681.97-165,491,682.02-70,361,898.74

Finding the Fourth Proportional to 119,920,681.97, 165,491,682.02 and 70,361,898.74

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Solution

The fourth proportional to 119,920,681.97, 165,491,682.02 and 70,361,898.74 is: 97,100,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,920,681.97 : 165,491,682.02 = 70,361,898.74 : x
  2. Step 2: Convert to fraction form
    119,920,681.97/165,491,682.02 = 70,361,898.74/x
  3. Step 3: Cross multiply
    119,920,681.97x = 165,491,682.02 × 70,361,898.74
  4. Step 4: Simplify right side
    119,920,681.97x = 11,644,308,971,424,250
  5. Step 5: Solve for x
    x = 11,644,308,971,424,250/119,920,681.97
  6. Step 6: Final answer
    x = 97,100,089.66

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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.