Home / 310,473,341.70-465,710,012.55-92,157,378.90

Finding the Fourth Proportional to 310,473,341.70, 465,710,012.55 and 92,157,378.90

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Solution

The fourth proportional to 310,473,341.70, 465,710,012.55 and 92,157,378.90 is: 138,236,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,473,341.70 : 465,710,012.55 = 92,157,378.90 : x
  2. Step 2: Convert to fraction form
    310,473,341.70/465,710,012.55 = 92,157,378.90/x
  3. Step 3: Cross multiply
    310,473,341.70x = 465,710,012.55 × 92,157,378.90
  4. Step 4: Simplify right side
    310,473,341.70x = 42,918,614,084,094,112
  5. Step 5: Solve for x
    x = 42,918,614,084,094,112/310,473,341.70
  6. Step 6: Final answer
    x = 138,236,068.35

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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.