Home / 108,518,981.40-162,778,472.10-36,715,397.40

Finding the Fourth Proportional to 108,518,981.40, 162,778,472.10 and 36,715,397.40

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Solution

The fourth proportional to 108,518,981.40, 162,778,472.10 and 36,715,397.40 is: 55,073,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,518,981.40 : 162,778,472.10 = 36,715,397.40 : x
  2. Step 2: Convert to fraction form
    108,518,981.40/162,778,472.10 = 36,715,397.40/x
  3. Step 3: Cross multiply
    108,518,981.40x = 162,778,472.10 × 36,715,397.40
  4. Step 4: Simplify right side
    108,518,981.40x = 5,976,476,291,316,312
  5. Step 5: Solve for x
    x = 5,976,476,291,316,312/108,518,981.40
  6. Step 6: Final answer
    x = 55,073,096.10

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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.