Home / 310,069,819.52-465,172,831.96-91,703,137.16

Finding the Fourth Proportional to 310,069,819.52, 465,172,831.96 and 91,703,137.16

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Solution

The fourth proportional to 310,069,819.52, 465,172,831.96 and 91,703,137.16 is: 137,574,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,069,819.52 : 465,172,831.96 = 91,703,137.16 : x
  2. Step 2: Convert to fraction form
    310,069,819.52/465,172,831.96 = 91,703,137.16/x
  3. Step 3: Cross multiply
    310,069,819.52x = 465,172,831.96 × 91,703,137.16
  4. Step 4: Simplify right side
    310,069,819.52x = 42,657,808,009,778,392
  5. Step 5: Solve for x
    x = 42,657,808,009,778,392/310,069,819.52
  6. Step 6: Final answer
    x = 137,574,847.10

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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.