Home / 108,932,738.55-163,210,151.03-70,574,508.15

Finding the Fourth Proportional to 108,932,738.55, 163,210,151.03 and 70,574,508.15

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Solution

The fourth proportional to 108,932,738.55, 163,210,151.03 and 70,574,508.15 is: 105,739,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,932,738.55 : 163,210,151.03 = 70,574,508.15 : x
  2. Step 2: Convert to fraction form
    108,932,738.55/163,210,151.03 = 70,574,508.15/x
  3. Step 3: Cross multiply
    108,932,738.55x = 163,210,151.03 × 70,574,508.15
  4. Step 4: Simplify right side
    108,932,738.55x = 11,518,476,133,676,594
  5. Step 5: Solve for x
    x = 11,518,476,133,676,594/108,932,738.55
  6. Step 6: Final answer
    x = 105,739,342.34

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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.