Home / 68,838,031.70-103,257,047.55-38,227,030.10

Finding the Fourth Proportional to 68,838,031.70, 103,257,047.55 and 38,227,030.10

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Solution

The fourth proportional to 68,838,031.70, 103,257,047.55 and 38,227,030.10 is: 57,340,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,838,031.70 : 103,257,047.55 = 38,227,030.10 : x
  2. Step 2: Convert to fraction form
    68,838,031.70/103,257,047.55 = 38,227,030.10/x
  3. Step 3: Cross multiply
    68,838,031.70x = 103,257,047.55 × 38,227,030.10
  4. Step 4: Simplify right side
    68,838,031.70x = 3,947,210,264,730,981.50
  5. Step 5: Solve for x
    x = 3,947,210,264,730,981.50/68,838,031.70
  6. Step 6: Final answer
    x = 57,340,545.15

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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.