Home / 97,807,613.40-146,711,420.10-52,457,981.40

Finding the Fourth Proportional to 97,807,613.40, 146,711,420.10 and 52,457,981.40

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Solution

The fourth proportional to 97,807,613.40, 146,711,420.10 and 52,457,981.40 is: 78,686,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,807,613.40 : 146,711,420.10 = 52,457,981.40 : x
  2. Step 2: Convert to fraction form
    97,807,613.40/146,711,420.10 = 52,457,981.40/x
  3. Step 3: Cross multiply
    97,807,613.40x = 146,711,420.10 × 52,457,981.40
  4. Step 4: Simplify right side
    97,807,613.40x = 7,696,184,946,773,386
  5. Step 5: Solve for x
    x = 7,696,184,946,773,386/97,807,613.40
  6. Step 6: Final answer
    x = 78,686,972.10

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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.