Home / 180,633,705.45-249,266,528.06-102,315,688.35

Finding the Fourth Proportional to 180,633,705.45, 249,266,528.06 and 102,315,688.35

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Solution

The fourth proportional to 180,633,705.45, 249,266,528.06 and 102,315,688.35 is: 141,191,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,633,705.45 : 249,266,528.06 = 102,315,688.35 : x
  2. Step 2: Convert to fraction form
    180,633,705.45/249,266,528.06 = 102,315,688.35/x
  3. Step 3: Cross multiply
    180,633,705.45x = 249,266,528.06 × 102,315,688.35
  4. Step 4: Simplify right side
    180,633,705.45x = 25,503,876,400,561,912
  5. Step 5: Solve for x
    x = 25,503,876,400,561,912/180,633,705.45
  6. Step 6: Final answer
    x = 141,191,126.74

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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.