Home / 84,011,316-126,038,228.40-23,427,048.48

Finding the Fourth Proportional to 84,011,316, 126,038,228.40 and 23,427,048.48

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Solution

The fourth proportional to 84,011,316, 126,038,228.40 and 23,427,048.48 is: 35,146,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,011,316 : 126,038,228.40 = 23,427,048.48 : x
  2. Step 2: Convert to fraction form
    84,011,316/126,038,228.40 = 23,427,048.48/x
  3. Step 3: Cross multiply
    84,011,316x = 126,038,228.40 × 23,427,048.48
  4. Step 4: Simplify right side
    84,011,316x = 2,952,703,687,060,113
  5. Step 5: Solve for x
    x = 2,952,703,687,060,113/84,011,316
  6. Step 6: Final answer
    x = 35,146,499.63

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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.