Home / 101,843,831,490.63-140,538,154,885.30-56,115,547,900.47

Finding the Fourth Proportional to 101,843,831,490.63, 140,538,154,885.30 and 56,115,547,900.47

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Solution

The fourth proportional to 101,843,831,490.63, 140,538,154,885.30 and 56,115,547,900.47 is: 77,435,966,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,843,831,490.63 : 140,538,154,885.30 = 56,115,547,900.47 : x
  2. Step 2: Convert to fraction form
    101,843,831,490.63/140,538,154,885.30 = 56,115,547,900.47/x
  3. Step 3: Cross multiply
    101,843,831,490.63x = 140,538,154,885.30 × 56,115,547,900.47
  4. Step 4: Simplify right side
    101,843,831,490.63x = 7,886,375,562,309,723,488,256
  5. Step 5: Solve for x
    x = 7,886,375,562,309,723,488,256/101,843,831,490.63
  6. Step 6: Final answer
    x = 77,435,966,880.68

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1.5x scale

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.