Home / 85,937,684.69-118,368,092.16-66,053,425.19

Finding the Fourth Proportional to 85,937,684.69, 118,368,092.16 and 66,053,425.19

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Solution

The fourth proportional to 85,937,684.69, 118,368,092.16 and 66,053,425.19 is: 90,980,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,937,684.69 : 118,368,092.16 = 66,053,425.19 : x
  2. Step 2: Convert to fraction form
    85,937,684.69/118,368,092.16 = 66,053,425.19/x
  3. Step 3: Cross multiply
    85,937,684.69x = 118,368,092.16 × 66,053,425.19
  4. Step 4: Simplify right side
    85,937,684.69x = 7,818,617,920,373,585
  5. Step 5: Solve for x
    x = 7,818,617,920,373,585/85,937,684.69
  6. Step 6: Final answer
    x = 90,980,085.73

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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.