Home / 85,618,915.12-118,154,420.98-46,460,700.16

Finding the Fourth Proportional to 85,618,915.12, 118,154,420.98 and 46,460,700.16

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Solution

The fourth proportional to 85,618,915.12, 118,154,420.98 and 46,460,700.16 is: 64,115,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,618,915.12 : 118,154,420.98 = 46,460,700.16 : x
  2. Step 2: Convert to fraction form
    85,618,915.12/118,154,420.98 = 46,460,700.16/x
  3. Step 3: Cross multiply
    85,618,915.12x = 118,154,420.98 × 46,460,700.16
  4. Step 4: Simplify right side
    85,618,915.12x = 5,489,537,125,730,193
  5. Step 5: Solve for x
    x = 5,489,537,125,730,193/85,618,915.12
  6. Step 6: Final answer
    x = 64,115,938.84

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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.