Home / 66,528,043.10-99,792,064.65-47,157,018.65

Finding the Fourth Proportional to 66,528,043.10, 99,792,064.65 and 47,157,018.65

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Solution

The fourth proportional to 66,528,043.10, 99,792,064.65 and 47,157,018.65 is: 70,735,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528,043.10 : 99,792,064.65 = 47,157,018.65 : x
  2. Step 2: Convert to fraction form
    66,528,043.10/99,792,064.65 = 47,157,018.65/x
  3. Step 3: Cross multiply
    66,528,043.10x = 99,792,064.65 × 47,157,018.65
  4. Step 4: Simplify right side
    66,528,043.10x = 4,705,896,253,822,056
  5. Step 5: Solve for x
    x = 4,705,896,253,822,056/66,528,043.10
  6. Step 6: Final answer
    x = 70,735,527.98

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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.