Home / 98,681,331.84-136,178,075.52-54,027,208.32

Finding the Fourth Proportional to 98,681,331.84, 136,178,075.52 and 54,027,208.32

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Solution

The fourth proportional to 98,681,331.84, 136,178,075.52 and 54,027,208.32 is: 74,556,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,681,331.84 : 136,178,075.52 = 54,027,208.32 : x
  2. Step 2: Convert to fraction form
    98,681,331.84/136,178,075.52 = 54,027,208.32/x
  3. Step 3: Cross multiply
    98,681,331.84x = 136,178,075.52 × 54,027,208.32
  4. Step 4: Simplify right side
    98,681,331.84x = 7,357,321,254,735,733
  5. Step 5: Solve for x
    x = 7,357,321,254,735,733/98,681,331.84
  6. Step 6: Final answer
    x = 74,556,363.58

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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.