Home / 130,528,603.32-180,134,612.13-71,796,733.39

Finding the Fourth Proportional to 130,528,603.32, 180,134,612.13 and 71,796,733.39

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Solution

The fourth proportional to 130,528,603.32, 180,134,612.13 and 71,796,733.39 is: 99,082,319.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,528,603.32 : 180,134,612.13 = 71,796,733.39 : x
  2. Step 2: Convert to fraction form
    130,528,603.32/180,134,612.13 = 71,796,733.39/x
  3. Step 3: Cross multiply
    130,528,603.32x = 180,134,612.13 × 71,796,733.39
  4. Step 4: Simplify right side
    130,528,603.32x = 12,933,076,721,408,670
  5. Step 5: Solve for x
    x = 12,933,076,721,408,670/130,528,603.32
  6. Step 6: Final answer
    x = 99,082,319.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.