Home / 98,681,197.72-136,181,665.04-54,026,424.76

Finding the Fourth Proportional to 98,681,197.72, 136,181,665.04 and 54,026,424.76

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Solution

The fourth proportional to 98,681,197.72, 136,181,665.04 and 54,026,424.76 is: 74,557,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,681,197.72 : 136,181,665.04 = 54,026,424.76 : x
  2. Step 2: Convert to fraction form
    98,681,197.72/136,181,665.04 = 54,026,424.76/x
  3. Step 3: Cross multiply
    98,681,197.72x = 136,181,665.04 × 54,026,424.76
  4. Step 4: Simplify right side
    98,681,197.72x = 7,357,408,479,975,082
  5. Step 5: Solve for x
    x = 7,357,408,479,975,082/98,681,197.72
  6. Step 6: Final answer
    x = 74,557,348.82

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Double scale
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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.