Home / 120,033,397.50-165,646,256.64-65,029,254

Finding the Fourth Proportional to 120,033,397.50, 165,646,256.64 and 65,029,254

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Solution

The fourth proportional to 120,033,397.50, 165,646,256.64 and 65,029,254 is: 89,740,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033,397.50 : 165,646,256.64 = 65,029,254 : x
  2. Step 2: Convert to fraction form
    120,033,397.50/165,646,256.64 = 65,029,254/x
  3. Step 3: Cross multiply
    120,033,397.50x = 165,646,256.64 × 65,029,254
  4. Step 4: Simplify right side
    120,033,397.50x = 10,771,852,497,191,746
  5. Step 5: Solve for x
    x = 10,771,852,497,191,746/120,033,397.50
  6. Step 6: Final answer
    x = 89,740,461.58

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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.