Home / 186,572,798.22-257,478,248.70-102,946,353.72

Finding the Fourth Proportional to 186,572,798.22, 257,478,248.70 and 102,946,353.72

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Solution

The fourth proportional to 186,572,798.22, 257,478,248.70 and 102,946,353.72 is: 142,070,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,572,798.22 : 257,478,248.70 = 102,946,353.72 : x
  2. Step 2: Convert to fraction form
    186,572,798.22/257,478,248.70 = 102,946,353.72/x
  3. Step 3: Cross multiply
    186,572,798.22x = 257,478,248.70 × 102,946,353.72
  4. Step 4: Simplify right side
    186,572,798.22x = 26,506,446,865,876,328
  5. Step 5: Solve for x
    x = 26,506,446,865,876,328/186,572,798.22
  6. Step 6: Final answer
    x = 142,070,264.90

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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.