Home / 48,386,721.80-72,580,082.70-31,254,638.60

Finding the Fourth Proportional to 48,386,721.80, 72,580,082.70 and 31,254,638.60

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Solution

The fourth proportional to 48,386,721.80, 72,580,082.70 and 31,254,638.60 is: 46,881,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,721.80 : 72,580,082.70 = 31,254,638.60 : x
  2. Step 2: Convert to fraction form
    48,386,721.80/72,580,082.70 = 31,254,638.60/x
  3. Step 3: Cross multiply
    48,386,721.80x = 72,580,082.70 × 31,254,638.60
  4. Step 4: Simplify right side
    48,386,721.80x = 2,268,464,254,346,612.50
  5. Step 5: Solve for x
    x = 2,268,464,254,346,612.50/48,386,721.80
  6. Step 6: Final answer
    x = 46,881,957.90

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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.