Home / 126,388,712.02-174,421,809.15-70,634,130.79

Finding the Fourth Proportional to 126,388,712.02, 174,421,809.15 and 70,634,130.79

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Solution

The fourth proportional to 126,388,712.02, 174,421,809.15 and 70,634,130.79 is: 97,478,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,388,712.02 : 174,421,809.15 = 70,634,130.79 : x
  2. Step 2: Convert to fraction form
    126,388,712.02/174,421,809.15 = 70,634,130.79/x
  3. Step 3: Cross multiply
    126,388,712.02x = 174,421,809.15 × 70,634,130.79
  4. Step 4: Simplify right side
    126,388,712.02x = 12,320,132,880,129,520
  5. Step 5: Solve for x
    x = 12,320,132,880,129,520/126,388,712.02
  6. Step 6: Final answer
    x = 97,478,110.85

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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.