Home / 134,112,484.80-185,090,574.60-74,579,720.40

Finding the Fourth Proportional to 134,112,484.80, 185,090,574.60 and 74,579,720.40

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Solution

The fourth proportional to 134,112,484.80, 185,090,574.60 and 74,579,720.40 is: 102,928,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,112,484.80 : 185,090,574.60 = 74,579,720.40 : x
  2. Step 2: Convert to fraction form
    134,112,484.80/185,090,574.60 = 74,579,720.40/x
  3. Step 3: Cross multiply
    134,112,484.80x = 185,090,574.60 × 74,579,720.40
  4. Step 4: Simplify right side
    134,112,484.80x = 13,804,003,302,343,342
  5. Step 5: Solve for x
    x = 13,804,003,302,343,342/134,112,484.80
  6. Step 6: Final answer
    x = 102,928,547.80

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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.