Home / 98,289,422.52-135,642,281.16-53,638,271.76

Finding the Fourth Proportional to 98,289,422.52, 135,642,281.16 and 53,638,271.76

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Solution

The fourth proportional to 98,289,422.52, 135,642,281.16 and 53,638,271.76 is: 74,022,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,289,422.52 : 135,642,281.16 = 53,638,271.76 : x
  2. Step 2: Convert to fraction form
    98,289,422.52/135,642,281.16 = 53,638,271.76/x
  3. Step 3: Cross multiply
    98,289,422.52x = 135,642,281.16 × 53,638,271.76
  4. Step 4: Simplify right side
    98,289,422.52x = 7,275,617,539,006,408
  5. Step 5: Solve for x
    x = 7,275,617,539,006,408/98,289,422.52
  6. Step 6: Final answer
    x = 74,022,385.65

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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.