Home / 97,066,529.20-145,599,793.80-86,484,948.40

Finding the Fourth Proportional to 97,066,529.20, 145,599,793.80 and 86,484,948.40

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Solution

The fourth proportional to 97,066,529.20, 145,599,793.80 and 86,484,948.40 is: 129,727,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,066,529.20 : 145,599,793.80 = 86,484,948.40 : x
  2. Step 2: Convert to fraction form
    97,066,529.20/145,599,793.80 = 86,484,948.40/x
  3. Step 3: Cross multiply
    97,066,529.20x = 145,599,793.80 × 86,484,948.40
  4. Step 4: Simplify right side
    97,066,529.20x = 12,592,190,653,843,642
  5. Step 5: Solve for x
    x = 12,592,190,653,843,642/97,066,529.20
  6. Step 6: Final answer
    x = 129,727,422.60

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1.5x scale

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.