Home / 56,636,986,116.08-78,159,048,490.32-31,262,462,236.40

Finding the Fourth Proportional to 56,636,986,116.08, 78,159,048,490.32 and 31,262,462,236.40

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Solution

The fourth proportional to 56,636,986,116.08, 78,159,048,490.32 and 31,262,462,236.40 is: 43,142,202,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,636,986,116.08 : 78,159,048,490.32 = 31,262,462,236.40 : x
  2. Step 2: Convert to fraction form
    56,636,986,116.08/78,159,048,490.32 = 31,262,462,236.40/x
  3. Step 3: Cross multiply
    56,636,986,116.08x = 78,159,048,490.32 × 31,262,462,236.40
  4. Step 4: Simplify right side
    56,636,986,116.08x = 2,443,444,301,861,585,682,432
  5. Step 5: Solve for x
    x = 2,443,444,301,861,585,682,432/56,636,986,116.08
  6. Step 6: Final answer
    x = 43,142,202,108.95

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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.