Home / 121,143,929.10-181,742,465.70-59,762,493.60

Finding the Fourth Proportional to 121,143,929.10, 181,742,465.70 and 59,762,493.60

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Solution

The fourth proportional to 121,143,929.10, 181,742,465.70 and 59,762,493.60 is: 89,656,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,143,929.10 : 181,742,465.70 = 59,762,493.60 : x
  2. Step 2: Convert to fraction form
    121,143,929.10/181,742,465.70 = 59,762,493.60/x
  3. Step 3: Cross multiply
    121,143,929.10x = 181,742,465.70 × 59,762,493.60
  4. Step 4: Simplify right side
    121,143,929.10x = 10,861,382,943,244,470
  5. Step 5: Solve for x
    x = 10,861,382,943,244,470/121,143,929.10
  6. Step 6: Final answer
    x = 89,656,848.87

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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.