Home / 123,130,005.68-169,878,149.16-70,917,996.08

Finding the Fourth Proportional to 123,130,005.68, 169,878,149.16 and 70,917,996.08

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Solution

The fourth proportional to 123,130,005.68, 169,878,149.16 and 70,917,996.08 is: 97,843,071.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,130,005.68 : 169,878,149.16 = 70,917,996.08 : x
  2. Step 2: Convert to fraction form
    123,130,005.68/169,878,149.16 = 70,917,996.08/x
  3. Step 3: Cross multiply
    123,130,005.68x = 169,878,149.16 × 70,917,996.08
  4. Step 4: Simplify right side
    123,130,005.68x = 12,047,417,916,206,534
  5. Step 5: Solve for x
    x = 12,047,417,916,206,534/123,130,005.68
  6. Step 6: Final answer
    x = 97,843,071.23

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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.