Home / 129,357,557.73-178,516,137.51-70,622,698.41

Finding the Fourth Proportional to 129,357,557.73, 178,516,137.51 and 70,622,698.41

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Solution

The fourth proportional to 129,357,557.73, 178,516,137.51 and 70,622,698.41 is: 97,460,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,357,557.73 : 178,516,137.51 = 70,622,698.41 : x
  2. Step 2: Convert to fraction form
    129,357,557.73/178,516,137.51 = 70,622,698.41/x
  3. Step 3: Cross multiply
    129,357,557.73x = 178,516,137.51 × 70,622,698.41
  4. Step 4: Simplify right side
    129,357,557.73x = 12,607,291,340,686,818
  5. Step 5: Solve for x
    x = 12,607,291,340,686,818/129,357,557.73
  6. Step 6: Final answer
    x = 97,460,802.15

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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.