Home / 123,315,431.55-170,133,395.50-70,354,092.76

Finding the Fourth Proportional to 123,315,431.55, 170,133,395.50 and 70,354,092.76

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Solution

The fourth proportional to 123,315,431.55, 170,133,395.50 and 70,354,092.76 is: 97,064,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,315,431.55 : 170,133,395.50 = 70,354,092.76 : x
  2. Step 2: Convert to fraction form
    123,315,431.55/170,133,395.50 = 70,354,092.76/x
  3. Step 3: Cross multiply
    123,315,431.55x = 170,133,395.50 × 70,354,092.76
  4. Step 4: Simplify right side
    123,315,431.55x = 11,969,580,688,580,768
  5. Step 5: Solve for x
    x = 11,969,580,688,580,768/123,315,431.55
  6. Step 6: Final answer
    x = 97,064,743.14

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1.5x scale

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.