Home / 131,547,516,964.51-181,530,712,426.08-71,399,194,645.63

Finding the Fourth Proportional to 131,547,516,964.51, 181,530,712,426.08 and 71,399,194,645.63

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Solution

The fourth proportional to 131,547,516,964.51, 181,530,712,426.08 and 71,399,194,645.63 is: 98,528,250,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,547,516,964.51 : 181,530,712,426.08 = 71,399,194,645.63 : x
  2. Step 2: Convert to fraction form
    131,547,516,964.51/181,530,712,426.08 = 71,399,194,645.63/x
  3. Step 3: Cross multiply
    131,547,516,964.51x = 181,530,712,426.08 × 71,399,194,645.63
  4. Step 4: Simplify right side
    131,547,516,964.51x = 12,961,146,670,669,570,768,896
  5. Step 5: Solve for x
    x = 12,961,146,670,669,570,768,896/131,547,516,964.51
  6. Step 6: Final answer
    x = 98,528,250,245.62

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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.