Home / 179,009,712,872.72-247,039,250,605.80-97,723,870,128.08

Finding the Fourth Proportional to 179,009,712,872.72, 247,039,250,605.80 and 97,723,870,128.08

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Solution

The fourth proportional to 179,009,712,872.72, 247,039,250,605.80 and 97,723,870,128.08 is: 134,862,132,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,009,712,872.72 : 247,039,250,605.80 = 97,723,870,128.08 : x
  2. Step 2: Convert to fraction form
    179,009,712,872.72/247,039,250,605.80 = 97,723,870,128.08/x
  3. Step 3: Cross multiply
    179,009,712,872.72x = 247,039,250,605.80 × 97,723,870,128.08
  4. Step 4: Simplify right side
    179,009,712,872.72x = 24,141,631,642,739,408,896,000
  5. Step 5: Solve for x
    x = 24,141,631,642,739,408,896,000/179,009,712,872.72
  6. Step 6: Final answer
    x = 134,862,132,648.10

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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.