Home / 79,721,303.48-110,015,398.15-43,051,871.24

Finding the Fourth Proportional to 79,721,303.48, 110,015,398.15 and 43,051,871.24

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Solution

The fourth proportional to 79,721,303.48, 110,015,398.15 and 43,051,871.24 is: 59,411,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,721,303.48 : 110,015,398.15 = 43,051,871.24 : x
  2. Step 2: Convert to fraction form
    79,721,303.48/110,015,398.15 = 43,051,871.24/x
  3. Step 3: Cross multiply
    79,721,303.48x = 110,015,398.15 × 43,051,871.24
  4. Step 4: Simplify right side
    79,721,303.48x = 4,736,368,754,913,427
  5. Step 5: Solve for x
    x = 4,736,368,754,913,427/79,721,303.48
  6. Step 6: Final answer
    x = 59,411,581.95

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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.