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Finding the Fourth Proportional to 60,655,611.60, 90,983,417.40 and 37,697,360.40

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Solution

The fourth proportional to 60,655,611.60, 90,983,417.40 and 37,697,360.40 is: 56,546,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,655,611.60 : 90,983,417.40 = 37,697,360.40 : x
  2. Step 2: Convert to fraction form
    60,655,611.60/90,983,417.40 = 37,697,360.40/x
  3. Step 3: Cross multiply
    60,655,611.60x = 90,983,417.40 × 37,697,360.40
  4. Step 4: Simplify right side
    60,655,611.60x = 3,429,834,676,151,431
  5. Step 5: Solve for x
    x = 3,429,834,676,151,431/60,655,611.60
  6. Step 6: Final answer
    x = 56,546,040.60

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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.