Home / 84,087,214.40-126,130,821.60-84,087,214.40

Finding the Fourth Proportional to 84,087,214.40, 126,130,821.60 and 84,087,214.40

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Solution

The fourth proportional to 84,087,214.40, 126,130,821.60 and 84,087,214.40 is: 126,130,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,087,214.40 : 126,130,821.60 = 84,087,214.40 : x
  2. Step 2: Convert to fraction form
    84,087,214.40/126,130,821.60 = 84,087,214.40/x
  3. Step 3: Cross multiply
    84,087,214.40x = 126,130,821.60 × 84,087,214.40
  4. Step 4: Simplify right side
    84,087,214.40x = 10,605,989,438,327,352
  5. Step 5: Solve for x
    x = 10,605,989,438,327,352/84,087,214.40
  6. Step 6: Final answer
    x = 126,130,821.60

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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.