Home / 163,386,005.40-245,079,008.10-145,529,587.80

Finding the Fourth Proportional to 163,386,005.40, 245,079,008.10 and 145,529,587.80

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Solution

The fourth proportional to 163,386,005.40, 245,079,008.10 and 145,529,587.80 is: 218,294,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,386,005.40 : 245,079,008.10 = 145,529,587.80 : x
  2. Step 2: Convert to fraction form
    163,386,005.40/245,079,008.10 = 145,529,587.80/x
  3. Step 3: Cross multiply
    163,386,005.40x = 245,079,008.10 × 145,529,587.80
  4. Step 4: Simplify right side
    163,386,005.40x = 35,666,247,027,225,864
  5. Step 5: Solve for x
    x = 35,666,247,027,225,864/163,386,005.40
  6. Step 6: Final answer
    x = 218,294,381.70

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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.