Home / 342,983,989.32-514,215,643.48-176,808,424.74

Finding the Fourth Proportional to 342,983,989.32, 514,215,643.48 and 176,808,424.74

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Solution

The fourth proportional to 342,983,989.32, 514,215,643.48 and 176,808,424.74 is: 265,078,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,983,989.32 : 514,215,643.48 = 176,808,424.74 : x
  2. Step 2: Convert to fraction form
    342,983,989.32/514,215,643.48 = 176,808,424.74/x
  3. Step 3: Cross multiply
    342,983,989.32x = 514,215,643.48 × 176,808,424.74
  4. Step 4: Simplify right side
    342,983,989.32x = 90,917,657,900,364,256
  5. Step 5: Solve for x
    x = 90,917,657,900,364,256/342,983,989.32
  6. Step 6: Final answer
    x = 265,078,431.45

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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.