Home / 112,312,925.02-169,236,005.98-92,291,155.20

Finding the Fourth Proportional to 112,312,925.02, 169,236,005.98 and 92,291,155.20

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Solution

The fourth proportional to 112,312,925.02, 169,236,005.98 and 92,291,155.20 is: 139,066,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,312,925.02 : 169,236,005.98 = 92,291,155.20 : x
  2. Step 2: Convert to fraction form
    112,312,925.02/169,236,005.98 = 92,291,155.20/x
  3. Step 3: Cross multiply
    112,312,925.02x = 169,236,005.98 × 92,291,155.20
  4. Step 4: Simplify right side
    112,312,925.02x = 15,618,986,494,006,826
  5. Step 5: Solve for x
    x = 15,618,986,494,006,826/112,312,925.02
  6. Step 6: Final answer
    x = 139,066,687.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.