Home / 163,386,009.40-245,079,014.10-145,529,591.80

Finding the Fourth Proportional to 163,386,009.40, 245,079,014.10 and 145,529,591.80

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Solution

The fourth proportional to 163,386,009.40, 245,079,014.10 and 145,529,591.80 is: 218,294,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,386,009.40 : 245,079,014.10 = 145,529,591.80 : x
  2. Step 2: Convert to fraction form
    163,386,009.40/245,079,014.10 = 145,529,591.80/x
  3. Step 3: Cross multiply
    163,386,009.40x = 245,079,014.10 × 145,529,591.80
  4. Step 4: Simplify right side
    163,386,009.40x = 35,666,248,880,719,448
  5. Step 5: Solve for x
    x = 35,666,248,880,719,448/163,386,009.40
  6. Step 6: Final answer
    x = 218,294,387.70

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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.