Home / 91,911,989.80-137,708,552.40-59,547,232.90

Finding the Fourth Proportional to 91,911,989.80, 137,708,552.40 and 59,547,232.90

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Solution

The fourth proportional to 91,911,989.80, 137,708,552.40 and 59,547,232.90 is: 89,217,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,911,989.80 : 137,708,552.40 = 59,547,232.90 : x
  2. Step 2: Convert to fraction form
    91,911,989.80/137,708,552.40 = 59,547,232.90/x
  3. Step 3: Cross multiply
    91,911,989.80x = 137,708,552.40 × 59,547,232.90
  4. Step 4: Simplify right side
    91,911,989.80x = 8,200,163,242,084,654
  5. Step 5: Solve for x
    x = 8,200,163,242,084,654/91,911,989.80
  6. Step 6: Final answer
    x = 89,217,557.58

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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.