Home / 69,581,666.36-96,020,068.82-38,643,828.50

Finding the Fourth Proportional to 69,581,666.36, 96,020,068.82 and 38,643,828.50

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Solution

The fourth proportional to 69,581,666.36, 96,020,068.82 and 38,643,828.50 is: 53,327,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,581,666.36 : 96,020,068.82 = 38,643,828.50 : x
  2. Step 2: Convert to fraction form
    69,581,666.36/96,020,068.82 = 38,643,828.50/x
  3. Step 3: Cross multiply
    69,581,666.36x = 96,020,068.82 × 38,643,828.50
  4. Step 4: Simplify right side
    69,581,666.36x = 3,710,583,072,038,277
  5. Step 5: Solve for x
    x = 3,710,583,072,038,277/69,581,666.36
  6. Step 6: Final answer
    x = 53,327,022.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.