Home / 102,153,411.64-140,974,698.90-55,746,656.74

Finding the Fourth Proportional to 102,153,411.64, 140,974,698.90 and 55,746,656.74

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Solution

The fourth proportional to 102,153,411.64, 140,974,698.90 and 55,746,656.74 is: 76,932,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,153,411.64 : 140,974,698.90 = 55,746,656.74 : x
  2. Step 2: Convert to fraction form
    102,153,411.64/140,974,698.90 = 55,746,656.74/x
  3. Step 3: Cross multiply
    102,153,411.64x = 140,974,698.90 × 55,746,656.74
  4. Step 4: Simplify right side
    102,153,411.64x = 7,858,868,148,459,769
  5. Step 5: Solve for x
    x = 7,858,868,148,459,769/102,153,411.64
  6. Step 6: Final answer
    x = 76,932,018.45

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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.