Home / 145,708,184.21-218,500,060.59-84,339,702.45

Finding the Fourth Proportional to 145,708,184.21, 218,500,060.59 and 84,339,702.45

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Solution

The fourth proportional to 145,708,184.21, 218,500,060.59 and 84,339,702.45 is: 126,473,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,708,184.21 : 218,500,060.59 = 84,339,702.45 : x
  2. Step 2: Convert to fraction form
    145,708,184.21/218,500,060.59 = 84,339,702.45/x
  3. Step 3: Cross multiply
    145,708,184.21x = 218,500,060.59 × 84,339,702.45
  4. Step 4: Simplify right side
    145,708,184.21x = 18,428,230,095,467,572
  5. Step 5: Solve for x
    x = 18,428,230,095,467,572/145,708,184.21
  6. Step 6: Final answer
    x = 126,473,541.59

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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.