Home / 123,809,691.21-170,853,681.01-70,884,642.95

Finding the Fourth Proportional to 123,809,691.21, 170,853,681.01 and 70,884,642.95

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Solution

The fourth proportional to 123,809,691.21, 170,853,681.01 and 70,884,642.95 is: 97,818,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,809,691.21 : 170,853,681.01 = 70,884,642.95 : x
  2. Step 2: Convert to fraction form
    123,809,691.21/170,853,681.01 = 70,884,642.95/x
  3. Step 3: Cross multiply
    123,809,691.21x = 170,853,681.01 × 70,884,642.95
  4. Step 4: Simplify right side
    123,809,691.21x = 12,110,902,174,732,622
  5. Step 5: Solve for x
    x = 12,110,902,174,732,622/123,809,691.21
  6. Step 6: Final answer
    x = 97,818,693.00

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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.