Home / 97,807,619.40-146,711,429.10-52,457,987.40

Finding the Fourth Proportional to 97,807,619.40, 146,711,429.10 and 52,457,987.40

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Solution

The fourth proportional to 97,807,619.40, 146,711,429.10 and 52,457,987.40 is: 78,686,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,807,619.40 : 146,711,429.10 = 52,457,987.40 : x
  2. Step 2: Convert to fraction form
    97,807,619.40/146,711,429.10 = 52,457,987.40/x
  3. Step 3: Cross multiply
    97,807,619.40x = 146,711,429.10 × 52,457,987.40
  4. Step 4: Simplify right side
    97,807,619.40x = 7,696,186,299,163,793
  5. Step 5: Solve for x
    x = 7,696,186,299,163,793/97,807,619.40
  6. Step 6: Final answer
    x = 78,686,981.10

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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.