Home / 48,386,428.80-72,495,662.40-31,338,326.40

Finding the Fourth Proportional to 48,386,428.80, 72,495,662.40 and 31,338,326.40

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Solution

The fourth proportional to 48,386,428.80, 72,495,662.40 and 31,338,326.40 is: 46,953,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386,428.80 : 72,495,662.40 = 31,338,326.40 : x
  2. Step 2: Convert to fraction form
    48,386,428.80/72,495,662.40 = 31,338,326.40/x
  3. Step 3: Cross multiply
    48,386,428.80x = 72,495,662.40 × 31,338,326.40
  4. Step 4: Simplify right side
    48,386,428.80x = 2,271,892,730,875,407.50
  5. Step 5: Solve for x
    x = 2,271,892,730,875,407.50/48,386,428.80
  6. Step 6: Final answer
    x = 46,953,097.95

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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.