Home / 108,249,646.77-149,240,000.46-85,996,468.98

Finding the Fourth Proportional to 108,249,646.77, 149,240,000.46 and 85,996,468.98

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Solution

The fourth proportional to 108,249,646.77, 149,240,000.46 and 85,996,468.98 is: 118,560,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,249,646.77 : 149,240,000.46 = 85,996,468.98 : x
  2. Step 2: Convert to fraction form
    108,249,646.77/149,240,000.46 = 85,996,468.98/x
  3. Step 3: Cross multiply
    108,249,646.77x = 149,240,000.46 × 85,996,468.98
  4. Step 4: Simplify right side
    108,249,646.77x = 12,834,113,070,133,578
  5. Step 5: Solve for x
    x = 12,834,113,070,133,578/108,249,646.77
  6. Step 6: Final answer
    x = 118,560,322.86

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1.5x scale

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.