Home / 97,118,868.40-145,678,302.60-92,639,892.40

Finding the Fourth Proportional to 97,118,868.40, 145,678,302.60 and 92,639,892.40

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Solution

The fourth proportional to 97,118,868.40, 145,678,302.60 and 92,639,892.40 is: 138,959,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,118,868.40 : 145,678,302.60 = 92,639,892.40 : x
  2. Step 2: Convert to fraction form
    97,118,868.40/145,678,302.60 = 92,639,892.40/x
  3. Step 3: Cross multiply
    97,118,868.40x = 145,678,302.60 × 92,639,892.40
  4. Step 4: Simplify right side
    97,118,868.40x = 13,495,622,277,878,640
  5. Step 5: Solve for x
    x = 13,495,622,277,878,640/97,118,868.40
  6. Step 6: Final answer
    x = 138,959,838.60

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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.