Home / 157,307,018.79-235,961,275.02-48,132,016.05

Finding the Fourth Proportional to 157,307,018.79, 235,961,275.02 and 48,132,016.05

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Solution

The fourth proportional to 157,307,018.79, 235,961,275.02 and 48,132,016.05 is: 72,198,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,307,018.79 : 235,961,275.02 = 48,132,016.05 : x
  2. Step 2: Convert to fraction form
    157,307,018.79/235,961,275.02 = 48,132,016.05/x
  3. Step 3: Cross multiply
    157,307,018.79x = 235,961,275.02 × 48,132,016.05
  4. Step 4: Simplify right side
    157,307,018.79x = 11,357,291,876,441,104
  5. Step 5: Solve for x
    x = 11,357,291,876,441,104/157,307,018.79
  6. Step 6: Final answer
    x = 72,198,252.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.