Home / 229,542,257,397.86-316,882,997,407.40-142,762,798,582.87

Finding the Fourth Proportional to 229,542,257,397.86, 316,882,997,407.40 and 142,762,798,582.87

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Solution

The fourth proportional to 229,542,257,397.86, 316,882,997,407.40 and 142,762,798,582.87 is: 197,083,988,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,542,257,397.86 : 316,882,997,407.40 = 142,762,798,582.87 : x
  2. Step 2: Convert to fraction form
    229,542,257,397.86/316,882,997,407.40 = 142,762,798,582.87/x
  3. Step 3: Cross multiply
    229,542,257,397.86x = 316,882,997,407.40 × 142,762,798,582.87
  4. Step 4: Simplify right side
    229,542,257,397.86x = 45,239,103,533,208,767,037,440
  5. Step 5: Solve for x
    x = 45,239,103,533,208,767,037,440/229,542,257,397.86
  6. Step 6: Final answer
    x = 197,083,988,133.81

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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.