Home / 88,579,931.40-133,011,614.70-67,038,856.20

Finding the Fourth Proportional to 88,579,931.40, 133,011,614.70 and 67,038,856.20

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Solution

The fourth proportional to 88,579,931.40, 133,011,614.70 and 67,038,856.20 is: 100,665,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579,931.40 : 133,011,614.70 = 67,038,856.20 : x
  2. Step 2: Convert to fraction form
    88,579,931.40/133,011,614.70 = 67,038,856.20/x
  3. Step 3: Cross multiply
    88,579,931.40x = 133,011,614.70 × 67,038,856.20
  4. Step 4: Simplify right side
    88,579,931.40x = 8,916,946,510,803,107
  5. Step 5: Solve for x
    x = 8,916,946,510,803,107/88,579,931.40
  6. Step 6: Final answer
    x = 100,665,538.68

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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.