Home / 97,331,320.35-145,996,980.53-89,941,009.95

Finding the Fourth Proportional to 97,331,320.35, 145,996,980.53 and 89,941,009.95

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Solution

The fourth proportional to 97,331,320.35, 145,996,980.53 and 89,941,009.95 is: 134,911,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,331,320.35 : 145,996,980.53 = 89,941,009.95 : x
  2. Step 2: Convert to fraction form
    97,331,320.35/145,996,980.53 = 89,941,009.95/x
  3. Step 3: Cross multiply
    97,331,320.35x = 145,996,980.53 × 89,941,009.95
  4. Step 4: Simplify right side
    97,331,320.35x = 13,131,115,878,068,982
  5. Step 5: Solve for x
    x = 13,131,115,878,068,982/97,331,320.35
  6. Step 6: Final answer
    x = 134,911,514.93

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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.