Home / 69,702,365.20-104,553,547.80-64,128,528.40

Finding the Fourth Proportional to 69,702,365.20, 104,553,547.80 and 64,128,528.40

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Solution

The fourth proportional to 69,702,365.20, 104,553,547.80 and 64,128,528.40 is: 96,192,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,702,365.20 : 104,553,547.80 = 64,128,528.40 : x
  2. Step 2: Convert to fraction form
    69,702,365.20/104,553,547.80 = 64,128,528.40/x
  3. Step 3: Cross multiply
    69,702,365.20x = 104,553,547.80 × 64,128,528.40
  4. Step 4: Simplify right side
    69,702,365.20x = 6,704,865,159,413,057
  5. Step 5: Solve for x
    x = 6,704,865,159,413,057/69,702,365.20
  6. Step 6: Final answer
    x = 96,192,792.60

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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.