Home / 156,065,206.11-215,369,909.51-93,341,302.98

Finding the Fourth Proportional to 156,065,206.11, 215,369,909.51 and 93,341,302.98

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Solution

The fourth proportional to 156,065,206.11, 215,369,909.51 and 93,341,302.98 is: 128,810,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,065,206.11 : 215,369,909.51 = 93,341,302.98 : x
  2. Step 2: Convert to fraction form
    156,065,206.11/215,369,909.51 = 93,341,302.98/x
  3. Step 3: Cross multiply
    156,065,206.11x = 215,369,909.51 × 93,341,302.98
  4. Step 4: Simplify right side
    156,065,206.11x = 20,102,907,975,881,388
  5. Step 5: Solve for x
    x = 20,102,907,975,881,388/156,065,206.11
  6. Step 6: Final answer
    x = 128,810,953.30

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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.