Home / 66,528,005.10-99,792,007.65-47,156,980.65

Finding the Fourth Proportional to 66,528,005.10, 99,792,007.65 and 47,156,980.65

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Solution

The fourth proportional to 66,528,005.10, 99,792,007.65 and 47,156,980.65 is: 70,735,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528,005.10 : 99,792,007.65 = 47,156,980.65 : x
  2. Step 2: Convert to fraction form
    66,528,005.10/99,792,007.65 = 47,156,980.65/x
  3. Step 3: Cross multiply
    66,528,005.10x = 99,792,007.65 × 47,156,980.65
  4. Step 4: Simplify right side
    66,528,005.10x = 4,705,889,773,775,702
  5. Step 5: Solve for x
    x = 4,705,889,773,775,702/66,528,005.10
  6. Step 6: Final answer
    x = 70,735,470.98

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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.