Home / 88,130,503.32-121,617,666.45-48,971,276.88

Finding the Fourth Proportional to 88,130,503.32, 121,617,666.45 and 48,971,276.88

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Solution

The fourth proportional to 88,130,503.32, 121,617,666.45 and 48,971,276.88 is: 67,579,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130,503.32 : 121,617,666.45 = 48,971,276.88 : x
  2. Step 2: Convert to fraction form
    88,130,503.32/121,617,666.45 = 48,971,276.88/x
  3. Step 3: Cross multiply
    88,130,503.32x = 121,617,666.45 × 48,971,276.88
  4. Step 4: Simplify right side
    88,130,503.32x = 5,955,772,417,222,437
  5. Step 5: Solve for x
    x = 5,955,772,417,222,437/88,130,503.32
  6. Step 6: Final answer
    x = 67,579,012.86

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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.