Home / 31,441,159,655.23-47,145,190,875.98-21,495,447,657.71

Finding the Fourth Proportional to 31,441,159,655.23, 47,145,190,875.98 and 21,495,447,657.71

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Solution

The fourth proportional to 31,441,159,655.23, 47,145,190,875.98 and 21,495,447,657.71 is: 32,231,857,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441,159,655.23 : 47,145,190,875.98 = 21,495,447,657.71 : x
  2. Step 2: Convert to fraction form
    31,441,159,655.23/47,145,190,875.98 = 21,495,447,657.71/x
  3. Step 3: Cross multiply
    31,441,159,655.23x = 47,145,190,875.98 × 21,495,447,657.71
  4. Step 4: Simplify right side
    31,441,159,655.23x = 1,013,406,982,787,237,806,080
  5. Step 5: Solve for x
    x = 1,013,406,982,787,237,806,080/31,441,159,655.23
  6. Step 6: Final answer
    x = 32,231,857,663.64

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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.