Home / 120,033,397.07-165,646,256.04-65,029,253.57

Finding the Fourth Proportional to 120,033,397.07, 165,646,256.04 and 65,029,253.57

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Solution

The fourth proportional to 120,033,397.07, 165,646,256.04 and 65,029,253.57 is: 89,740,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033,397.07 : 165,646,256.04 = 65,029,253.57 : x
  2. Step 2: Convert to fraction form
    120,033,397.07/165,646,256.04 = 65,029,253.57/x
  3. Step 3: Cross multiply
    120,033,397.07x = 165,646,256.04 × 65,029,253.57
  4. Step 4: Simplify right side
    120,033,397.07x = 10,771,852,386,946,304
  5. Step 5: Solve for x
    x = 10,771,852,386,946,304/120,033,397.07
  6. Step 6: Final answer
    x = 89,740,460.99

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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.