Home / 102,008,861.72-153,072,567.76-42,916,913.18

Finding the Fourth Proportional to 102,008,861.72, 153,072,567.76 and 42,916,913.18

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Solution

The fourth proportional to 102,008,861.72, 153,072,567.76 and 42,916,913.18 is: 64,400,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,008,861.72 : 153,072,567.76 = 42,916,913.18 : x
  2. Step 2: Convert to fraction form
    102,008,861.72/153,072,567.76 = 42,916,913.18/x
  3. Step 3: Cross multiply
    102,008,861.72x = 153,072,567.76 × 42,916,913.18
  4. Step 4: Simplify right side
    102,008,861.72x = 6,569,402,100,795,587
  5. Step 5: Solve for x
    x = 6,569,402,100,795,587/102,008,861.72
  6. Step 6: Final answer
    x = 64,400,307.88

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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.