Home / 65,175,901.20-97,838,501.40-38,264,720.40

Finding the Fourth Proportional to 65,175,901.20, 97,838,501.40 and 38,264,720.40

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Solution

The fourth proportional to 65,175,901.20, 97,838,501.40 and 38,264,720.40 is: 57,440,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,175,901.20 : 97,838,501.40 = 38,264,720.40 : x
  2. Step 2: Convert to fraction form
    65,175,901.20/97,838,501.40 = 38,264,720.40/x
  3. Step 3: Cross multiply
    65,175,901.20x = 97,838,501.40 × 38,264,720.40
  4. Step 4: Simplify right side
    65,175,901.20x = 3,743,762,900,426,008.50
  5. Step 5: Solve for x
    x = 3,743,762,900,426,008.50/65,175,901.20
  6. Step 6: Final answer
    x = 57,440,907.32

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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.