Home / 120,033,397.13-165,646,256.13-65,029,253.63

Finding the Fourth Proportional to 120,033,397.13, 165,646,256.13 and 65,029,253.63

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Solution

The fourth proportional to 120,033,397.13, 165,646,256.13 and 65,029,253.63 is: 89,740,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033,397.13 : 165,646,256.13 = 65,029,253.63 : x
  2. Step 2: Convert to fraction form
    120,033,397.13/165,646,256.13 = 65,029,253.63/x
  3. Step 3: Cross multiply
    120,033,397.13x = 165,646,256.13 × 65,029,253.63
  4. Step 4: Simplify right side
    120,033,397.13x = 10,771,852,402,412,566
  5. Step 5: Solve for x
    x = 10,771,852,402,412,566/120,033,397.13
  6. Step 6: Final answer
    x = 89,740,461.07

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1.5x scale

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.