Home / 384,920,422.80-577,402,752.60-112,333,261.20

Finding the Fourth Proportional to 384,920,422.80, 577,402,752.60 and 112,333,261.20

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Solution

The fourth proportional to 384,920,422.80, 577,402,752.60 and 112,333,261.20 is: 168,506,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,920,422.80 : 577,402,752.60 = 112,333,261.20 : x
  2. Step 2: Convert to fraction form
    384,920,422.80/577,402,752.60 = 112,333,261.20/x
  3. Step 3: Cross multiply
    384,920,422.80x = 577,402,752.60 × 112,333,261.20
  4. Step 4: Simplify right side
    384,920,422.80x = 64,861,534,225,414,784
  5. Step 5: Solve for x
    x = 64,861,534,225,414,784/384,920,422.80
  6. Step 6: Final answer
    x = 168,506,346.72

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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.