Home / 207,221,556.60-310,748,354.10-70,836,737.40

Finding the Fourth Proportional to 207,221,556.60, 310,748,354.10 and 70,836,737.40

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Solution

The fourth proportional to 207,221,556.60, 310,748,354.10 and 70,836,737.40 is: 106,226,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,221,556.60 : 310,748,354.10 = 70,836,737.40 : x
  2. Step 2: Convert to fraction form
    207,221,556.60/310,748,354.10 = 70,836,737.40/x
  3. Step 3: Cross multiply
    207,221,556.60x = 310,748,354.10 × 70,836,737.40
  4. Step 4: Simplify right side
    207,221,556.60x = 22,012,399,556,863,916
  5. Step 5: Solve for x
    x = 22,012,399,556,863,916/207,221,556.60
  6. Step 6: Final answer
    x = 106,226,398.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.