Home / 74,088,265.20-111,132,397.80-69,931,215.60

Finding the Fourth Proportional to 74,088,265.20, 111,132,397.80 and 69,931,215.60

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Solution

The fourth proportional to 74,088,265.20, 111,132,397.80 and 69,931,215.60 is: 104,896,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,088,265.20 : 111,132,397.80 = 69,931,215.60 : x
  2. Step 2: Convert to fraction form
    74,088,265.20/111,132,397.80 = 69,931,215.60/x
  3. Step 3: Cross multiply
    74,088,265.20x = 111,132,397.80 × 69,931,215.60
  4. Step 4: Simplify right side
    74,088,265.20x = 7,771,623,670,696,765
  5. Step 5: Solve for x
    x = 7,771,623,670,696,765/74,088,265.20
  6. Step 6: Final answer
    x = 104,896,823.40

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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.