Home / 71,569,792.90-107,354,689.35-61,828,020.10

Finding the Fourth Proportional to 71,569,792.90, 107,354,689.35 and 61,828,020.10

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Solution

The fourth proportional to 71,569,792.90, 107,354,689.35 and 61,828,020.10 is: 92,742,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,569,792.90 : 107,354,689.35 = 61,828,020.10 : x
  2. Step 2: Convert to fraction form
    71,569,792.90/107,354,689.35 = 61,828,020.10/x
  3. Step 3: Cross multiply
    71,569,792.90x = 107,354,689.35 × 61,828,020.10
  4. Step 4: Simplify right side
    71,569,792.90x = 6,637,527,890,961,056
  5. Step 5: Solve for x
    x = 6,637,527,890,961,056/71,569,792.90
  6. Step 6: Final answer
    x = 92,742,030.15

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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.