Home / 115,506,962.40-159,407,428.74-65,253,751.61

Finding the Fourth Proportional to 115,506,962.40, 159,407,428.74 and 65,253,751.61

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Solution

The fourth proportional to 115,506,962.40, 159,407,428.74 and 65,253,751.61 is: 90,054,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,506,962.40 : 159,407,428.74 = 65,253,751.61 : x
  2. Step 2: Convert to fraction form
    115,506,962.40/159,407,428.74 = 65,253,751.61/x
  3. Step 3: Cross multiply
    115,506,962.40x = 159,407,428.74 × 65,253,751.61
  4. Step 4: Simplify right side
    115,506,962.40x = 10,401,932,759,462,468
  5. Step 5: Solve for x
    x = 10,401,932,759,462,468/115,506,962.40
  6. Step 6: Final answer
    x = 90,054,595.35

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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.